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simple collections conversion work

This commit is contained in:
eugenp 2014-06-01 00:31:40 +03:00
parent d06f8f87b2
commit 2819b3137c
1 changed files with 36 additions and 0 deletions
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36
core-java/src/test/java/org/baeldung/java/collections/JavaCollectionConversionUnitTest.java
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@ -104,4 +104,40 @@ public class JavaCollectionConversionUnitTest {
final int[] primitiveTargetArray = ArrayUtils.toPrimitive(targetArray); final int[] primitiveTargetArray = ArrayUtils.toPrimitive(targetArray);
} }
// Set -> List; List -> Set
public final void givenUsingCoreJava_whenSetConvertedToList_thenCorrect() {
final Set<Integer> sourceSet = Sets.newHashSet(0, 1, 2, 3, 4, 5);
final List<Integer> targetList = new ArrayList<>(sourceSet);
}
public final void givenUsingCoreJava_whenListConvertedToSet_thenCorrect() {
final List<Integer> sourceList = Lists.newArrayList(0, 1, 2, 3, 4, 5);
final Set<Integer> targetSet = new HashSet<>(sourceList);
}
public final void givenUsingGuava_whenSetConvertedToList_thenCorrect() {
final Set<Integer> sourceSet = Sets.newHashSet(0, 1, 2, 3, 4, 5);
final List<Integer> targetList = Lists.newArrayList(sourceSet);
}
public final void givenUsingGuava_whenListConvertedToSet_thenCorrect() {
final List<Integer> sourceList = Lists.newArrayList(0, 1, 2, 3, 4, 5);
final Set<Integer> targetSet = Sets.newHashSet(sourceList);
}
public final void givenUsingCommonsCollections_whenListConvertedToSet_thenCorrect() {
final List<Integer> sourceList = Lists.newArrayList(0, 1, 2, 3, 4, 5);
final Set<Integer> targetSet = new HashSet<>(6);
CollectionUtils.addAll(targetSet, sourceList);
}
public final void givenUsingCommonsCollections_whenSetConvertedToList_thenCorrect() {
final Set<Integer> sourceSet = Sets.newHashSet(0, 1, 2, 3, 4, 5);
final List<Integer> targetList = new ArrayList<>(6);
CollectionUtils.addAll(targetList, sourceSet);
}
} }