diff --git a/core-java-modules/core-java-collections-2/README.md b/core-java-modules/core-java-collections-2/README.md new file mode 100644 index 0000000000..13ca191edb --- /dev/null +++ b/core-java-modules/core-java-collections-2/README.md @@ -0,0 +1,15 @@ +========= + +## Core Java Collections Cookbooks and Examples + +### Relevant Articles: +- [Removing Elements from Java Collections](https://www.baeldung.com/java-collection-remove-elements) +- [How to Filter a Collection in Java](https://www.baeldung.com/java-collection-filtering) +- [Join and Split Arrays and Collections in Java](https://www.baeldung.com/java-join-and-split) +- [Java – Combine Multiple Collections](https://www.baeldung.com/java-combine-multiple-collections) +- [Combining Different Types of Collections in Java](https://www.baeldung.com/java-combine-collections) +- [Shuffling Collections In Java](https://www.baeldung.com/java-shuffle-collection) +- [Sorting in Java](https://www.baeldung.com/java-sorting) +- [Getting the Size of an Iterable in Java](https://www.baeldung.com/java-iterable-size) +- [Java Null-Safe Streams from Collections](https://www.baeldung.com/java-null-safe-streams-from-collections) + diff --git a/core-java-modules/core-java-collections-2/pom.xml b/core-java-modules/core-java-collections-2/pom.xml new file mode 100644 index 0000000000..0ac53ec180 --- /dev/null +++ b/core-java-modules/core-java-collections-2/pom.xml @@ -0,0 +1,58 @@ + + 4.0.0 + core-java-collections-2 + 0.0.1-SNAPSHOT + core-java-collections-2 + jar + + + com.baeldung + parent-java + 0.0.1-SNAPSHOT + ../../parent-java + + + + + org.eclipse.collections + eclipse-collections + ${eclipse.collections.version} + + + org.apache.commons + commons-collections4 + ${commons-collections4.version} + + + org.apache.commons + commons-exec + ${commons-exec.version} + + + org.apache.commons + commons-lang3 + ${commons-lang3.version} + + + org.assertj + assertj-core + ${assertj.version} + test + + + org.junit.platform + junit-platform-runner + ${junit.platform.version} + test + + + + + 7.1.0 + 4.1 + 3.11.1 + 1.2.0 + 1.3 + + diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/combiningcollections/CombiningArrays.java b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/combiningcollections/CombiningArrays.java similarity index 95% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/combiningcollections/CombiningArrays.java rename to core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/combiningcollections/CombiningArrays.java index 2ad48033c0..5f63123f6a 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/combiningcollections/CombiningArrays.java +++ b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/combiningcollections/CombiningArrays.java @@ -1,4 +1,4 @@ -package com.baeldung.combiningcollections; +package com.baeldung.collections.combiningcollections; import java.util.Arrays; import java.util.stream.Stream; diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/combiningcollections/CombiningLists.java b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/combiningcollections/CombiningLists.java similarity index 96% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/combiningcollections/CombiningLists.java rename to core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/combiningcollections/CombiningLists.java index 3fdf672758..a45e9cdfe8 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/combiningcollections/CombiningLists.java +++ b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/combiningcollections/CombiningLists.java @@ -1,4 +1,4 @@ -package com.baeldung.combiningcollections; +package com.baeldung.collections.combiningcollections; import java.util.ArrayList; import java.util.Collection; diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/combiningcollections/CombiningMaps.java b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/combiningcollections/CombiningMaps.java similarity index 96% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/combiningcollections/CombiningMaps.java rename to core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/combiningcollections/CombiningMaps.java index d8bbd01ed3..d4d21d0dad 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/combiningcollections/CombiningMaps.java +++ b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/combiningcollections/CombiningMaps.java @@ -1,4 +1,4 @@ -package com.baeldung.combiningcollections; +package com.baeldung.collections.combiningcollections; import java.util.Collection; import java.util.HashMap; diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/combiningcollections/CombiningSets.java b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/combiningcollections/CombiningSets.java similarity index 96% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/combiningcollections/CombiningSets.java rename to core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/combiningcollections/CombiningSets.java index 5f531c1d43..27a5681eee 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/combiningcollections/CombiningSets.java +++ b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/combiningcollections/CombiningSets.java @@ -1,4 +1,4 @@ -package com.baeldung.combiningcollections; +package com.baeldung.collections.combiningcollections; import java.util.Collection; import java.util.HashSet; diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/java/filtering/CollectionUtilsCollectionFilter.java b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/filtering/CollectionUtilsCollectionFilter.java similarity index 91% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/java/filtering/CollectionUtilsCollectionFilter.java rename to core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/filtering/CollectionUtilsCollectionFilter.java index 58f9f6af54..de5158e147 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/java/filtering/CollectionUtilsCollectionFilter.java +++ b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/filtering/CollectionUtilsCollectionFilter.java @@ -1,4 +1,4 @@ -package com.baeldung.java.filtering; +package com.baeldung.collections.filtering; import java.util.Collection; diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/java/filtering/EclipseCollectionsCollectionFilter.java b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/filtering/EclipseCollectionsCollectionFilter.java similarity index 96% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/java/filtering/EclipseCollectionsCollectionFilter.java rename to core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/filtering/EclipseCollectionsCollectionFilter.java index 981d6ca241..a7b78b1f9b 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/java/filtering/EclipseCollectionsCollectionFilter.java +++ b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/filtering/EclipseCollectionsCollectionFilter.java @@ -1,4 +1,4 @@ -package com.baeldung.java.filtering; +package com.baeldung.collections.filtering; import java.util.Collection; diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/java/filtering/GuavaCollectionFilter.java b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/filtering/GuavaCollectionFilter.java similarity index 91% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/java/filtering/GuavaCollectionFilter.java rename to core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/filtering/GuavaCollectionFilter.java index 88338fd6d4..0a2a782c33 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/java/filtering/GuavaCollectionFilter.java +++ b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/filtering/GuavaCollectionFilter.java @@ -1,4 +1,4 @@ -package com.baeldung.java.filtering; +package com.baeldung.collections.filtering; import java.util.Collection; diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/java/filtering/StreamsCollectionFilter.java b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/filtering/StreamsCollectionFilter.java similarity index 95% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/java/filtering/StreamsCollectionFilter.java rename to core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/filtering/StreamsCollectionFilter.java index f074f74199..a9fb8481e5 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/java/filtering/StreamsCollectionFilter.java +++ b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/filtering/StreamsCollectionFilter.java @@ -1,4 +1,4 @@ -package com.baeldung.java.filtering; +package com.baeldung.collections.filtering; import java.util.Collection; import java.util.function.Predicate; diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/java/iterable/IterableSize.java b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/iterablesize/IterableSize.java similarity index 97% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/java/iterable/IterableSize.java rename to core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/iterablesize/IterableSize.java index 03864f16f2..b96e2bb571 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/java/iterable/IterableSize.java +++ b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/iterablesize/IterableSize.java @@ -1,4 +1,4 @@ -package com.baeldung.java.iterable; +package com.baeldung.collections.iterablesize; import java.util.Collection; import java.util.stream.StreamSupport; diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/nullsafecollectionstreams/NullSafeCollectionStreamsUsingCommonsEmptyIfNull.java b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingCommonsEmptyIfNull.java similarity index 92% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/nullsafecollectionstreams/NullSafeCollectionStreamsUsingCommonsEmptyIfNull.java rename to core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingCommonsEmptyIfNull.java index 2405c26aac..ce5cbb39d6 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/nullsafecollectionstreams/NullSafeCollectionStreamsUsingCommonsEmptyIfNull.java +++ b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingCommonsEmptyIfNull.java @@ -1,4 +1,4 @@ -package com.baeldung.nullsafecollectionstreams; +package com.baeldung.collections.nullsafecollectionstreams; import java.util.Collection; import java.util.stream.Stream; diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/nullsafecollectionstreams/NullSafeCollectionStreamsUsingJava8OptionalContainer.java b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingJava8OptionalContainer.java similarity index 92% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/nullsafecollectionstreams/NullSafeCollectionStreamsUsingJava8OptionalContainer.java rename to core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingJava8OptionalContainer.java index da767d4563..68d51c2d87 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/nullsafecollectionstreams/NullSafeCollectionStreamsUsingJava8OptionalContainer.java +++ b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingJava8OptionalContainer.java @@ -1,4 +1,4 @@ -package com.baeldung.nullsafecollectionstreams; +package com.baeldung.collections.nullsafecollectionstreams; import java.util.Collection; import java.util.Optional; diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/nullsafecollectionstreams/NullSafeCollectionStreamsUsingNullDereferenceCheck.java b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingNullDereferenceCheck.java similarity index 91% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/nullsafecollectionstreams/NullSafeCollectionStreamsUsingNullDereferenceCheck.java rename to core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingNullDereferenceCheck.java index 0c10f1cebc..6c606ebedd 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/nullsafecollectionstreams/NullSafeCollectionStreamsUsingNullDereferenceCheck.java +++ b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingNullDereferenceCheck.java @@ -1,4 +1,4 @@ -package com.baeldung.nullsafecollectionstreams; +package com.baeldung.collections.nullsafecollectionstreams; import java.util.Collection; import java.util.stream.Stream; diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/removal/CollectionRemoveIf.java b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/removal/CollectionRemoveIf.java similarity index 91% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/removal/CollectionRemoveIf.java rename to core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/removal/CollectionRemoveIf.java index 2f5e91596f..4089382376 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/removal/CollectionRemoveIf.java +++ b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/removal/CollectionRemoveIf.java @@ -1,4 +1,4 @@ -package com.baeldung.removal; +package com.baeldung.collections.removal; import java.util.ArrayList; import java.util.Collection; diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/removal/Iterators.java b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/removal/Iterators.java similarity index 93% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/removal/Iterators.java rename to core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/removal/Iterators.java index 86b91b3fdc..d551b04eae 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/removal/Iterators.java +++ b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/removal/Iterators.java @@ -1,4 +1,4 @@ -package com.baeldung.removal; +package com.baeldung.collections.removal; import java.util.ArrayList; import java.util.Collection; diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/removal/StreamFilterAndCollector.java b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/removal/StreamFilterAndCollector.java similarity index 93% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/removal/StreamFilterAndCollector.java rename to core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/removal/StreamFilterAndCollector.java index bf6db68bae..e0dc75f428 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/removal/StreamFilterAndCollector.java +++ b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/removal/StreamFilterAndCollector.java @@ -1,4 +1,4 @@ -package com.baeldung.removal; +package com.baeldung.collections.removal; import java.util.ArrayList; import java.util.Collection; diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/removal/StreamPartitioningBy.java b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/removal/StreamPartitioningBy.java similarity index 95% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/removal/StreamPartitioningBy.java rename to core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/removal/StreamPartitioningBy.java index c77e996616..c01c334f01 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/removal/StreamPartitioningBy.java +++ b/core-java-modules/core-java-collections-2/src/main/java/com/baeldung/collections/removal/StreamPartitioningBy.java @@ -1,4 +1,4 @@ -package com.baeldung.removal; +package com.baeldung.collections.removal; import java.util.ArrayList; import java.util.Collection; diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/combiningcollections/CombiningArraysUnitTest.java b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/combiningcollections/CombiningArraysUnitTest.java similarity index 96% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/combiningcollections/CombiningArraysUnitTest.java rename to core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/combiningcollections/CombiningArraysUnitTest.java index 3b80d773ad..312f5582ba 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/combiningcollections/CombiningArraysUnitTest.java +++ b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/combiningcollections/CombiningArraysUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.combiningcollections; +package com.baeldung.collections.combiningcollections; import static org.junit.Assert.*; import org.junit.Test; diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/combiningcollections/CombiningListsUnitTest.java b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/combiningcollections/CombiningListsUnitTest.java similarity index 96% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/combiningcollections/CombiningListsUnitTest.java rename to core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/combiningcollections/CombiningListsUnitTest.java index c5851d7daf..5443e56e5f 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/combiningcollections/CombiningListsUnitTest.java +++ b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/combiningcollections/CombiningListsUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.combiningcollections; +package com.baeldung.collections.combiningcollections; import static org.hamcrest.CoreMatchers.is; import static org.junit.Assert.assertThat; diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/combiningcollections/CombiningMapsUnitTest.java b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/combiningcollections/CombiningMapsUnitTest.java similarity index 96% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/combiningcollections/CombiningMapsUnitTest.java rename to core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/combiningcollections/CombiningMapsUnitTest.java index 3fa9cc7dc4..644f178f80 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/combiningcollections/CombiningMapsUnitTest.java +++ b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/combiningcollections/CombiningMapsUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.combiningcollections; +package com.baeldung.collections.combiningcollections; import static org.hamcrest.CoreMatchers.is; import static org.junit.Assert.assertThat; diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/combiningcollections/CombiningSetsUnitTest.java b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/combiningcollections/CombiningSetsUnitTest.java similarity index 96% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/combiningcollections/CombiningSetsUnitTest.java rename to core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/combiningcollections/CombiningSetsUnitTest.java index 330827bdc2..c9976eb6de 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/combiningcollections/CombiningSetsUnitTest.java +++ b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/combiningcollections/CombiningSetsUnitTest.java @@ -1,5 +1,5 @@ -package com.baeldung.combiningcollections; +package com.baeldung.collections.combiningcollections; import static org.hamcrest.CoreMatchers.is; import static org.junit.Assert.assertThat; diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/java/filtering/CollectionFiltersUnitTest.java b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/filtering/CollectionFiltersUnitTest.java similarity index 98% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/java/filtering/CollectionFiltersUnitTest.java rename to core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/filtering/CollectionFiltersUnitTest.java index b30805d471..db387818b8 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/java/filtering/CollectionFiltersUnitTest.java +++ b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/filtering/CollectionFiltersUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.java.filtering; +package com.baeldung.collections.filtering; import static org.assertj.core.api.Assertions.assertThat; diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/java/iterable/IterableSizeUnitTest.java b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/iterablesize/IterableSizeUnitTest.java similarity index 96% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/java/iterable/IterableSizeUnitTest.java rename to core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/iterablesize/IterableSizeUnitTest.java index 4bc413dee0..35702a74b3 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/java/iterable/IterableSizeUnitTest.java +++ b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/iterablesize/IterableSizeUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.java.iterable; +package com.baeldung.collections.iterablesize; import static org.junit.Assert.assertEquals; diff --git a/core-java-modules/core-java-collections/src/test/java/org/baeldung/java/collections/CollectionsJoinAndSplitJUnitTest.java b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/joinsplit/CollectionsJoinAndSplitJUnitTest.java similarity index 97% rename from core-java-modules/core-java-collections/src/test/java/org/baeldung/java/collections/CollectionsJoinAndSplitJUnitTest.java rename to core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/joinsplit/CollectionsJoinAndSplitJUnitTest.java index c288cf499d..1904fd1587 100644 --- a/core-java-modules/core-java-collections/src/test/java/org/baeldung/java/collections/CollectionsJoinAndSplitJUnitTest.java +++ b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/joinsplit/CollectionsJoinAndSplitJUnitTest.java @@ -1,4 +1,4 @@ -package org.baeldung.java.collections; +package com.baeldung.collections.joinsplit; import java.util.ArrayList; import java.util.Collections; diff --git a/core-java-modules/core-java-collections/src/test/java/org/baeldung/java/collections/JoinSplitCollectionsUnitTest.java b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/joinsplit/JoinSplitCollectionsUnitTest.java similarity index 99% rename from core-java-modules/core-java-collections/src/test/java/org/baeldung/java/collections/JoinSplitCollectionsUnitTest.java rename to core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/joinsplit/JoinSplitCollectionsUnitTest.java index c594529f41..1fbe210ad4 100644 --- a/core-java-modules/core-java-collections/src/test/java/org/baeldung/java/collections/JoinSplitCollectionsUnitTest.java +++ b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/joinsplit/JoinSplitCollectionsUnitTest.java @@ -1,4 +1,4 @@ -package org.baeldung.java.collections; +package com.baeldung.collections.joinsplit; import org.junit.Test; diff --git a/core-java-modules/core-java-collections/src/test/java/org/baeldung/java/collections/CollectionsConcatenateUnitTest.java b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/multiplecollections/CombineMultipleCollectionsUnitTest.java similarity index 98% rename from core-java-modules/core-java-collections/src/test/java/org/baeldung/java/collections/CollectionsConcatenateUnitTest.java rename to core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/multiplecollections/CombineMultipleCollectionsUnitTest.java index d43075c925..ebef8d6875 100644 --- a/core-java-modules/core-java-collections/src/test/java/org/baeldung/java/collections/CollectionsConcatenateUnitTest.java +++ b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/multiplecollections/CombineMultipleCollectionsUnitTest.java @@ -1,4 +1,4 @@ -package org.baeldung.java.collections; +package com.baeldung.collections.multiplecollections; import com.google.common.collect.Iterables; import com.google.common.collect.Lists; @@ -14,7 +14,7 @@ import java.util.stream.Stream; import static java.util.Arrays.asList; -public class CollectionsConcatenateUnitTest { +public class CombineMultipleCollectionsUnitTest { @Test public void givenUsingJava8_whenConcatenatingUsingConcat_thenCorrect() { diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/nullsafecollectionstreams/NullSafeCollectionStreamsUsingCommonsEmptyIfNullUnitTest.java b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingCommonsEmptyIfNullUnitTest.java similarity index 95% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/nullsafecollectionstreams/NullSafeCollectionStreamsUsingCommonsEmptyIfNullUnitTest.java rename to core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingCommonsEmptyIfNullUnitTest.java index 875045946d..42cda7926c 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/nullsafecollectionstreams/NullSafeCollectionStreamsUsingCommonsEmptyIfNullUnitTest.java +++ b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingCommonsEmptyIfNullUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.nullsafecollectionstreams; +package com.baeldung.collections.nullsafecollectionstreams; import java.util.Arrays; import java.util.Collection; diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/nullsafecollectionstreams/NullSafeCollectionStreamsUsingJava8OptionalContainerUnitTest.java b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingJava8OptionalContainerUnitTest.java similarity index 95% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/nullsafecollectionstreams/NullSafeCollectionStreamsUsingJava8OptionalContainerUnitTest.java rename to core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingJava8OptionalContainerUnitTest.java index 402f1a6a19..666d5e7d04 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/nullsafecollectionstreams/NullSafeCollectionStreamsUsingJava8OptionalContainerUnitTest.java +++ b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingJava8OptionalContainerUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.nullsafecollectionstreams; +package com.baeldung.collections.nullsafecollectionstreams; import java.util.Arrays; import java.util.Collection; diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/nullsafecollectionstreams/NullSafeCollectionStreamsUsingNullDereferenceCheckUnitTest.java b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingNullDereferenceCheckUnitTest.java similarity index 95% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/nullsafecollectionstreams/NullSafeCollectionStreamsUsingNullDereferenceCheckUnitTest.java rename to core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingNullDereferenceCheckUnitTest.java index bb6152371d..2e8eeb35ad 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/nullsafecollectionstreams/NullSafeCollectionStreamsUsingNullDereferenceCheckUnitTest.java +++ b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/nullsafecollectionstreams/NullSafeCollectionStreamsUsingNullDereferenceCheckUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.nullsafecollectionstreams; +package com.baeldung.collections.nullsafecollectionstreams; import java.util.Arrays; import java.util.Collection; diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/removal/RemovalUnitTest.java b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/removal/RemovalUnitTest.java similarity index 98% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/removal/RemovalUnitTest.java rename to core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/removal/RemovalUnitTest.java index 1b379f32de..998dbe6cca 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/removal/RemovalUnitTest.java +++ b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/removal/RemovalUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.removal; +package com.baeldung.collections.removal; import org.junit.Before; import org.junit.Test; diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/shufflingcollections/ShufflingCollectionsUnitTest.java b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/shufflingcollections/ShufflingCollectionsUnitTest.java similarity index 97% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/shufflingcollections/ShufflingCollectionsUnitTest.java rename to core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/shufflingcollections/ShufflingCollectionsUnitTest.java index d013907c9a..041e67ba7f 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/shufflingcollections/ShufflingCollectionsUnitTest.java +++ b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/shufflingcollections/ShufflingCollectionsUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.shufflingcollections; +package com.baeldung.collections.shufflingcollections; import org.junit.Test; diff --git a/core-java-modules/core-java-collections/src/test/java/org/baeldung/java/sorting/Employee.java b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/sorting/Employee.java similarity index 96% rename from core-java-modules/core-java-collections/src/test/java/org/baeldung/java/sorting/Employee.java rename to core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/sorting/Employee.java index 99af49c8d3..e838dbea18 100644 --- a/core-java-modules/core-java-collections/src/test/java/org/baeldung/java/sorting/Employee.java +++ b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/sorting/Employee.java @@ -1,4 +1,4 @@ -package org.baeldung.java.sorting; +package com.baeldung.collections.sorting; public class Employee implements Comparable { diff --git a/core-java-modules/core-java-collections/src/test/java/org/baeldung/java/sorting/JavaSortingUnitTest.java b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/sorting/JavaSortingUnitTest.java similarity index 99% rename from core-java-modules/core-java-collections/src/test/java/org/baeldung/java/sorting/JavaSortingUnitTest.java rename to core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/sorting/JavaSortingUnitTest.java index ca9c9b4b5d..2505adcea7 100644 --- a/core-java-modules/core-java-collections/src/test/java/org/baeldung/java/sorting/JavaSortingUnitTest.java +++ b/core-java-modules/core-java-collections-2/src/test/java/com/baeldung/collections/sorting/JavaSortingUnitTest.java @@ -1,4 +1,4 @@ -package org.baeldung.java.sorting; +package com.baeldung.collections.sorting; import com.google.common.primitives.Ints; import org.apache.commons.lang3.ArrayUtils; diff --git a/core-java-modules/core-java-collections-3/README.md b/core-java-modules/core-java-collections-3/README.md new file mode 100644 index 0000000000..9218384640 --- /dev/null +++ b/core-java-modules/core-java-collections-3/README.md @@ -0,0 +1,11 @@ +========= + +## Core Java Collections Cookbooks and Examples + +### Relevant Articles: +- [Time Comparison of Arrays.sort(Object[]) and Arrays.sort(int[])](https://www.baeldung.com/arrays-sortobject-vs-sortint) +- [Java ArrayList vs Vector](https://www.baeldung.com/java-arraylist-vs-vector) +- [Differences Between HashMap and Hashtable](https://www.baeldung.com/hashmap-hashtable-differences) +- [Differences Between Collection.clear() and Collection.removeAll()](https://www.baeldung.com/java-collection-clear-vs-removeall) +- [Performance of contains() in a HashSet vs ArrayList](https://www.baeldung.com/java-hashset-arraylist-contains-performance) +- [Fail-Safe Iterator vs Fail-Fast Iterator](https://www.baeldung.com/java-fail-safe-vs-fail-fast-iterator) diff --git a/core-java-modules/core-java-collections-3/pom.xml b/core-java-modules/core-java-collections-3/pom.xml new file mode 100644 index 0000000000..84c7865e68 --- /dev/null +++ b/core-java-modules/core-java-collections-3/pom.xml @@ -0,0 +1,34 @@ + + 4.0.0 + core-java-collections-3 + 0.1.0-SNAPSHOT + core-java-collections-3 + jar + + + com.baeldung + parent-java + 0.0.1-SNAPSHOT + ../../parent-java + + + + + org.openjdk.jmh + jmh-core + ${openjdk.jmh.version} + + + org.assertj + assertj-core + ${assertj.version} + test + + + + + 1.19 + 3.11.1 + + diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/performance/ArrayListBenchmark.java b/core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/arraylistvsvector/ArrayListBenchmark.java similarity index 98% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/performance/ArrayListBenchmark.java rename to core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/arraylistvsvector/ArrayListBenchmark.java index 331ae8d908..7fcadf019c 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/performance/ArrayListBenchmark.java +++ b/core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/arraylistvsvector/ArrayListBenchmark.java @@ -1,4 +1,4 @@ -package com.baeldung.performance; +package com.baeldung.collections.arraylistvsvector; import org.openjdk.jmh.annotations.*; import org.openjdk.jmh.runner.Runner; diff --git a/core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/arraylistvsvector/Employee.java b/core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/arraylistvsvector/Employee.java new file mode 100644 index 0000000000..02f25a7558 --- /dev/null +++ b/core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/arraylistvsvector/Employee.java @@ -0,0 +1,55 @@ +package com.baeldung.collections.arraylistvsvector; + +public class Employee { + + private Long id; + private String name; + + public Employee(Long id, String name) { + this.name = name; + this.id = id; + } + + public Long getId() { + return id; + } + + public void setId(Long id) { + this.id = id; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + @Override + public boolean equals(Object o) { + if (this == o) return true; + if (o == null || getClass() != o.getClass()) return false; + + Employee employee = (Employee) o; + + if (!id.equals(employee.id)) return false; + return name.equals(employee.name); + + } + + @Override + public int hashCode() { + int result = id.hashCode(); + result = 31 * result + name.hashCode(); + return result; + } + + @Override + public String toString() { + return "Employee{" + + "id=" + id + + ", name='" + name + '\'' + + '}'; + } +} diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/java/list/VectorExample.java b/core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/arraylistvsvector/VectorExample.java similarity index 92% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/java/list/VectorExample.java rename to core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/arraylistvsvector/VectorExample.java index 7debc07911..e82e47cdbb 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/java/list/VectorExample.java +++ b/core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/arraylistvsvector/VectorExample.java @@ -1,4 +1,4 @@ -package com.baeldung.java.list; +package com.baeldung.collections.arraylistvsvector; import java.util.Enumeration; import java.util.Iterator; diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/performance/CollectionsBenchmark.java b/core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/containsperformance/CollectionsBenchmark.java similarity index 96% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/performance/CollectionsBenchmark.java rename to core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/containsperformance/CollectionsBenchmark.java index 921e1608ea..76edd10e92 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/performance/CollectionsBenchmark.java +++ b/core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/containsperformance/CollectionsBenchmark.java @@ -1,4 +1,4 @@ -package com.baeldung.performance; +package com.baeldung.collections.containsperformance; import org.openjdk.jmh.annotations.*; import org.openjdk.jmh.runner.Runner; diff --git a/core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/containsperformance/Employee.java b/core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/containsperformance/Employee.java new file mode 100644 index 0000000000..6c60f8772c --- /dev/null +++ b/core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/containsperformance/Employee.java @@ -0,0 +1,55 @@ +package com.baeldung.collections.containsperformance; + +public class Employee { + + private Long id; + private String name; + + public Employee(Long id, String name) { + this.name = name; + this.id = id; + } + + public Long getId() { + return id; + } + + public void setId(Long id) { + this.id = id; + } + + public String getName() { + return name; + } + + public void setName(String name) { + this.name = name; + } + + @Override + public boolean equals(Object o) { + if (this == o) return true; + if (o == null || getClass() != o.getClass()) return false; + + Employee employee = (Employee) o; + + if (!id.equals(employee.id)) return false; + return name.equals(employee.name); + + } + + @Override + public int hashCode() { + int result = id.hashCode(); + result = 31 * result + name.hashCode(); + return result; + } + + @Override + public String toString() { + return "Employee{" + + "id=" + id + + ", name='" + name + '\'' + + '}'; + } +} diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/iterators/Iterators.java b/core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/iterators/Iterators.java similarity index 97% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/iterators/Iterators.java rename to core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/iterators/Iterators.java index 5e7cfdb54f..23e6bbda77 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/iterators/Iterators.java +++ b/core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/iterators/Iterators.java @@ -1,4 +1,4 @@ -package com.baeldung.iterators; +package com.baeldung.collections.iterators; import java.util.ArrayList; import java.util.Iterator; diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/performance/ArraySortBenchmark.java b/core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/sortingcomparison/ArraySortBenchmark.java similarity index 97% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/performance/ArraySortBenchmark.java rename to core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/sortingcomparison/ArraySortBenchmark.java index b93f8e9cc2..1cd56aa29d 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/performance/ArraySortBenchmark.java +++ b/core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/sortingcomparison/ArraySortBenchmark.java @@ -1,4 +1,4 @@ -package com.baeldung.performance; +package com.baeldung.collections.sortingcomparison; import java.util.Arrays; import java.util.concurrent.TimeUnit; diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/java/sort/CollectionsSortCompare.java b/core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/sortingcomparison/CollectionsSortCompare.java similarity index 94% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/java/sort/CollectionsSortCompare.java rename to core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/sortingcomparison/CollectionsSortCompare.java index 1eff522877..abe7a12a00 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/java/sort/CollectionsSortCompare.java +++ b/core-java-modules/core-java-collections-3/src/main/java/com/baeldung/collections/sortingcomparison/CollectionsSortCompare.java @@ -1,4 +1,4 @@ -package com.baeldung.java.sort; +package com.baeldung.collections.sortingcomparison; import java.util.ArrayList; import java.util.Arrays; diff --git a/core-java-modules/core-java-collections-list/src/test/java/com/baeldung/collection/ClearVsRemoveAllUnitTest.java b/core-java-modules/core-java-collections-3/src/test/java/com/baeldung/collections/clearvsremoveall/ClearVsRemoveAllUnitTest.java similarity index 95% rename from core-java-modules/core-java-collections-list/src/test/java/com/baeldung/collection/ClearVsRemoveAllUnitTest.java rename to core-java-modules/core-java-collections-3/src/test/java/com/baeldung/collections/clearvsremoveall/ClearVsRemoveAllUnitTest.java index 8b0a7ef0db..9cd9c6aa50 100644 --- a/core-java-modules/core-java-collections-list/src/test/java/com/baeldung/collection/ClearVsRemoveAllUnitTest.java +++ b/core-java-modules/core-java-collections-3/src/test/java/com/baeldung/collections/clearvsremoveall/ClearVsRemoveAllUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.collection; +package com.baeldung.collections.clearvsremoveall; import org.junit.jupiter.api.Test; diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/hashmapvshashtable/HashmapVsHashtableDifferenceUnitTest.java b/core-java-modules/core-java-collections-3/src/test/java/com/baeldung/collections/hashmapvshashtable/HashmapVsHashtableDifferenceUnitTest.java similarity index 98% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/hashmapvshashtable/HashmapVsHashtableDifferenceUnitTest.java rename to core-java-modules/core-java-collections-3/src/test/java/com/baeldung/collections/hashmapvshashtable/HashmapVsHashtableDifferenceUnitTest.java index 5218332d60..b00a7fd953 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/hashmapvshashtable/HashmapVsHashtableDifferenceUnitTest.java +++ b/core-java-modules/core-java-collections-3/src/test/java/com/baeldung/collections/hashmapvshashtable/HashmapVsHashtableDifferenceUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.hashmapvshashtable; +package com.baeldung.collections.hashmapvshashtable; import static org.junit.Assert.assertEquals; diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/iterators/IteratorsUnitTest.java b/core-java-modules/core-java-collections-3/src/test/java/com/baeldung/collections/iterators/IteratorsUnitTest.java similarity index 77% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/iterators/IteratorsUnitTest.java rename to core-java-modules/core-java-collections-3/src/test/java/com/baeldung/collections/iterators/IteratorsUnitTest.java index 36e1f4a83c..95cf590857 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/iterators/IteratorsUnitTest.java +++ b/core-java-modules/core-java-collections-3/src/test/java/com/baeldung/collections/iterators/IteratorsUnitTest.java @@ -1,8 +1,8 @@ -package com.baeldung.iterators; +package com.baeldung.collections.iterators; -import static com.baeldung.iterators.Iterators.failFast1; -import static com.baeldung.iterators.Iterators.failFast2; -import static com.baeldung.iterators.Iterators.failSafe1; +import static com.baeldung.collections.iterators.Iterators.failFast1; +import static com.baeldung.collections.iterators.Iterators.failFast2; +import static com.baeldung.collections.iterators.Iterators.failSafe1; import static org.assertj.core.api.Assertions.assertThat; import static org.assertj.core.api.Assertions.assertThatThrownBy; diff --git a/core-java-modules/core-java-collections-list/README.md b/core-java-modules/core-java-collections-list/README.md index e83fcce5ff..1542a352fe 100644 --- a/core-java-modules/core-java-collections-list/README.md +++ b/core-java-modules/core-java-collections-list/README.md @@ -11,4 +11,5 @@ - [Remove the First Element from a List](http://www.baeldung.com/java-remove-first-element-from-list) - [How to Find an Element in a List with Java](http://www.baeldung.com/find-list-element-java) - [Finding Max/Min of a List or Collection](http://www.baeldung.com/java-collection-min-max) -- [Remove All Occurrences of a Specific Value from a List](https://www.baeldung.com/java-remove-value-from-list) \ No newline at end of file +- [Remove All Occurrences of a Specific Value from a List](https://www.baeldung.com/java-remove-value-from-list) +- [Removing the First Element of an Array](https://www.baeldung.com/java-array-remove-first-element) diff --git a/core-java-modules/core-java-collections/README.md b/core-java-modules/core-java-collections/README.md index b34293769d..7be7d02b3f 100644 --- a/core-java-modules/core-java-collections/README.md +++ b/core-java-modules/core-java-collections/README.md @@ -3,29 +3,13 @@ ## Core Java Collections Cookbooks and Examples ### Relevant Articles: -- [Java – Combine Multiple Collections](http://www.baeldung.com/java-combine-multiple-collections) -- [Collect a Java Stream to an Immutable Collection](http://www.baeldung.com/java-stream-immutable-collection) -- [Introduction to the Java ArrayDeque](http://www.baeldung.com/java-array-deque) -- [Getting the Size of an Iterable in Java](http://www.baeldung.com/java-iterable-size) -- [How to Filter a Collection in Java](http://www.baeldung.com/java-collection-filtering) -- [Removing the First Element of an Array](https://www.baeldung.com/java-array-remove-first-element) -- [Fail-Safe Iterator vs Fail-Fast Iterator](http://www.baeldung.com/java-fail-safe-vs-fail-fast-iterator) -- [Shuffling Collections In Java](http://www.baeldung.com/java-shuffle-collection) -- [An Introduction to Java.util.Hashtable Class](http://www.baeldung.com/java-hash-table) -- [Java Null-Safe Streams from Collections](https://www.baeldung.com/java-null-safe-streams-from-collections) +- [Collect a Java Stream to an Immutable Collection](https://www.baeldung.com/java-stream-immutable-collection) +- [Introduction to the Java ArrayDeque](https://www.baeldung.com/java-array-deque) +- [An Introduction to Java.util.Hashtable Class](https://www.baeldung.com/java-hash-table) - [Thread Safe LIFO Data Structure Implementations](https://www.baeldung.com/java-lifo-thread-safe) -- [Differences Between Collection.clear() and Collection.removeAll()](https://www.baeldung.com/java-collection-clear-vs-removeall) -- [Performance of contains() in a HashSet vs ArrayList](https://www.baeldung.com/java-hashset-arraylist-contains-performance) - [Time Complexity of Java Collections](https://www.baeldung.com/java-collections-complexity) -- [Operating on and Removing an Item from Stream](https://www.baeldung.com/java-use-remove-item-stream) -- [An Introduction to Synchronized Java Collections](https://www.baeldung.com/java-synchronized-collections) -- [Removing Elements from Java Collections](https://www.baeldung.com/java-collection-remove-elements) -- [Combining Different Types of Collections in Java](https://www.baeldung.com/java-combine-collections) -- [Sorting in Java](http://www.baeldung.com/java-sorting) -- [Join and Split Arrays and Collections in Java](http://www.baeldung.com/java-join-and-split) - [A Guide to EnumMap](https://www.baeldung.com/java-enum-map) -- [A Guide to Iterator in Java](http://www.baeldung.com/java-iterator) -- [Differences Between HashMap and Hashtable](https://www.baeldung.com/hashmap-hashtable-differences) -- [Java ArrayList vs Vector](https://www.baeldung.com/java-arraylist-vs-vector) +- [A Guide to Iterator in Java](https://www.baeldung.com/java-iterator) - [Defining a Char Stack in Java](https://www.baeldung.com/java-char-stack) -- [Time Comparison of Arrays.sort(Object[]) and Arrays.sort(int[])](https://www.baeldung.com/arrays-sortobject-vs-sortint) +- [Guide to the Java Queue Interface](https://www.baeldung.com/java-queue) +- [An Introduction to Synchronized Java Collections](https://www.baeldung.com/java-synchronized-collections) diff --git a/core-java-modules/core-java-collections/pom.xml b/core-java-modules/core-java-collections/pom.xml index e5b89c3d16..7fd702845b 100644 --- a/core-java-modules/core-java-collections/pom.xml +++ b/core-java-modules/core-java-collections/pom.xml @@ -14,33 +14,12 @@ - - org.apache.commons - commons-collections4 - ${commons-collections4.version} - - - org.apache.commons - commons-lang3 - ${commons-lang3.version} - - - org.eclipse.collections - eclipse-collections - ${eclipse.collections.version} - org.assertj assertj-core ${assertj.version} test - - org.junit.platform - junit-platform-runner - ${junit.platform.version} - test - org.openjdk.jmh jmh-core @@ -51,11 +30,6 @@ jmh-generator-annprocess ${openjdk.jmh.version} - - org.apache.commons - commons-exec - ${commons-exec.version} - org.projectlombok lombok @@ -66,13 +40,6 @@ 1.19 - 1.2.0 - 3.8.1 - 4.1 - 4.01 - 1.7.0 3.11.1 - 7.1.0 - 1.3 diff --git a/core-java-modules/core-java-collections/src/main/java/com/baeldung/synchronizedcollections/application/Application.java b/core-java-modules/core-java-collections/src/main/java/com/baeldung/synchronizedcollections/Application.java similarity index 90% rename from core-java-modules/core-java-collections/src/main/java/com/baeldung/synchronizedcollections/application/Application.java rename to core-java-modules/core-java-collections/src/main/java/com/baeldung/synchronizedcollections/Application.java index 093308a34a..f974a24839 100644 --- a/core-java-modules/core-java-collections/src/main/java/com/baeldung/synchronizedcollections/application/Application.java +++ b/core-java-modules/core-java-collections/src/main/java/com/baeldung/synchronizedcollections/Application.java @@ -1,4 +1,4 @@ -package com.baeldung.synchronizedcollections.application; +package com.baeldung.synchronizedcollections; import java.util.Arrays; import java.util.Collections; diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/java/collections/ConcurrentModificationExceptionUnitTest.java b/core-java-modules/core-java-collections/src/test/java/com/baeldung/java/collections/ConcurrentModificationExceptionUnitTest.java deleted file mode 100644 index d0d8c3923c..0000000000 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/java/collections/ConcurrentModificationExceptionUnitTest.java +++ /dev/null @@ -1,83 +0,0 @@ -package com.baeldung.java.collections; - -import org.junit.Test; - -import java.util.*; -import java.util.concurrent.CopyOnWriteArrayList; - -import static java.util.Arrays.asList; -import static org.junit.Assert.assertEquals; - -public class ConcurrentModificationExceptionUnitTest { - - @Test - public void changingContentWithSetDoesNotThrowConcurrentModificationException() throws Exception { - ArrayList array = new ArrayList<>(asList(0, "one", 2, "three")); - - for (Object item : array) { - array.set(3, 3); - } - } - - @Test - public void removingElementUsingIteratorAPI() throws Exception { - List originalList = new ArrayList<>(asList("zero", "one", "two", "three")); - - Iterator iterator = originalList.iterator(); - - while (iterator.hasNext()) { - String next = iterator.next(); - if (Objects.equals(next, "one")) iterator.remove(); - } - - assertEquals(originalList, asList("zero", "two", "three")); - } - - @Test - public void modifyingContentAndIteratingUsingListIteratorAPI() throws Exception { - List originalList = new ArrayList<>(asList("zero", "one", "two", "three")); - - ListIterator iterator = originalList.listIterator(); - - while (iterator.hasNext()) { - String next = iterator.next(); - if (Objects.equals(next, "one")) { - iterator.set("another"); - } - - if (Objects.equals(next, "two")) { - iterator.remove(); - } - - if (Objects.equals(next, "three")) { - iterator.add("four"); - } - } - - assertEquals(originalList, asList("zero", "another", "three", "four")); - } - - @Test - public void removingElementUsingCopyAndListAPI() throws Exception { - List originalList = new ArrayList<>(asList("zero", "one", "two", "three")); - - List listCopy = new ArrayList<>(originalList); - - for (String next : listCopy) { - if (Objects.equals(next, "one")) originalList.remove(originalList.indexOf(next) - 1); - } - - assertEquals(originalList, asList("one", "two", "three")); - } - - @Test - public void copyOnWriteList() throws Exception { - List originalList = new CopyOnWriteArrayList<>(asList("zero", "one", "two", "three")); - - for (String next : originalList) { - if (Objects.equals(next, "one")) originalList.remove(originalList.indexOf(next) - 1); - } - - assertEquals(originalList, asList("one", "two", "three")); - } -} diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/test/SynchronizedCollectionUnitTest.java b/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/SynchronizedCollectionUnitTest.java similarity index 94% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/test/SynchronizedCollectionUnitTest.java rename to core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/SynchronizedCollectionUnitTest.java index fd84503226..29b1ab9e70 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/test/SynchronizedCollectionUnitTest.java +++ b/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/SynchronizedCollectionUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.synchronizedcollections.test; +package com.baeldung.synchronizedcollections; import java.util.ArrayList; import java.util.Arrays; diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/test/SynchronizedListUnitTest.java b/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/SynchronizedListUnitTest.java similarity index 97% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/test/SynchronizedListUnitTest.java rename to core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/SynchronizedListUnitTest.java index 72354622ae..0e3c9cd217 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/test/SynchronizedListUnitTest.java +++ b/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/SynchronizedListUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.synchronizedcollections.test; +package com.baeldung.synchronizedcollections; import java.util.ArrayList; import java.util.Arrays; diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/test/SynchronizedMapUnitTest.java b/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/SynchronizedMapUnitTest.java similarity index 94% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/test/SynchronizedMapUnitTest.java rename to core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/SynchronizedMapUnitTest.java index 842e253e9e..9a4d80b403 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/test/SynchronizedMapUnitTest.java +++ b/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/SynchronizedMapUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.synchronizedcollections.test; +package com.baeldung.synchronizedcollections; import java.util.Collections; import java.util.HashMap; diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/test/SynchronizedSetUnitTest.java b/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/SynchronizedSetUnitTest.java similarity index 93% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/test/SynchronizedSetUnitTest.java rename to core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/SynchronizedSetUnitTest.java index f88f58a55b..88fd343f56 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/test/SynchronizedSetUnitTest.java +++ b/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/SynchronizedSetUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.synchronizedcollections.test; +package com.baeldung.synchronizedcollections; import java.util.Arrays; import java.util.Collections; diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/test/SynchronizedSortedMapUnitTest.java b/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/SynchronizedSortedMapUnitTest.java similarity index 94% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/test/SynchronizedSortedMapUnitTest.java rename to core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/SynchronizedSortedMapUnitTest.java index 23933b2b4b..7cbfa9bfa9 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/test/SynchronizedSortedMapUnitTest.java +++ b/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/SynchronizedSortedMapUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.synchronizedcollections.test; +package com.baeldung.synchronizedcollections; import java.util.Collections; import java.util.Map; diff --git a/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/test/SynchronizedSortedSetUnitTest.java b/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/SynchronizedSortedSetUnitTest.java similarity index 94% rename from core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/test/SynchronizedSortedSetUnitTest.java rename to core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/SynchronizedSortedSetUnitTest.java index 3ce1e6ed26..98820665c1 100644 --- a/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/test/SynchronizedSortedSetUnitTest.java +++ b/core-java-modules/core-java-collections/src/test/java/com/baeldung/synchronizedcollections/SynchronizedSortedSetUnitTest.java @@ -1,4 +1,4 @@ -package com.baeldung.synchronizedcollections.test; +package com.baeldung.synchronizedcollections; import java.util.Arrays; import java.util.Collections; diff --git a/core-java-modules/core-java-collections/src/test/java/org/baeldung/java/collections/README.md b/core-java-modules/core-java-collections/src/test/java/org/baeldung/java/collections/README.md deleted file mode 100644 index 317d81fae7..0000000000 --- a/core-java-modules/core-java-collections/src/test/java/org/baeldung/java/collections/README.md +++ /dev/null @@ -1,3 +0,0 @@ -### Relevant Articles: -- [Join and Split Arrays and Collections in Java](http://www.baeldung.com/java-join-and-split) -- [Introduction to Java Servlets](http://www.baeldung.com/intro-to-servlets) diff --git a/pom.xml b/pom.xml index 6972736288..89786496c7 100644 --- a/pom.xml +++ b/pom.xml @@ -401,6 +401,8 @@ core-java-modules/core-java-arrays core-java-modules/core-java-arrays-2 core-java-modules/core-java-collections + core-java-modules/core-java-collections-2 + core-java-modules/core-java-collections-3 core-java-modules/core-java-collections-list core-java-modules/core-java-collections-list-2 core-java-modules/core-java-collections-list-3 @@ -1141,6 +1143,8 @@ core-java-modules/core-java-arrays core-java-modules/core-java-arrays-2 core-java-modules/core-java-collections + core-java-modules/core-java-collections-2 + core-java-modules/core-java-collections-3 core-java-modules/core-java-collections-list core-java-modules/core-java-collections-list-2 core-java-modules/core-java-collections-list-3