diff --git a/core-java-modules/core-java-collections-conversions-3/README.md b/core-java-modules/core-java-collections-conversions-3/README.md
new file mode 100644
index 0000000000..f89cd199ff
--- /dev/null
+++ b/core-java-modules/core-java-collections-conversions-3/README.md
@@ -0,0 +1,5 @@
+## Java Collections Cookbooks and Examples
+
+This module contains articles about conversions among Collection types in Java.
+
+### Relevant Articles:
diff --git a/core-java-modules/core-java-collections-conversions-3/pom.xml b/core-java-modules/core-java-collections-conversions-3/pom.xml
new file mode 100644
index 0000000000..4813d33713
--- /dev/null
+++ b/core-java-modules/core-java-collections-conversions-3/pom.xml
@@ -0,0 +1,26 @@
+
+
+ 4.0.0
+ core-java-collections-conversions-3
+ core-java-collections-conversions-3
+ jar
+
+
+ com.baeldung.core-java-modules
+ core-java-modules
+ 0.0.1-SNAPSHOT
+
+
+
+ core-java-collections-conversions-3
+
+
+ src/main/resources
+ true
+
+
+
+
+
\ No newline at end of file
diff --git a/core-java-modules/core-java-collections-conversions-3/src/main/java/com/baeldung/hashmaptoarraylist/HashMapToArrayListConverterUtils.java b/core-java-modules/core-java-collections-conversions-3/src/main/java/com/baeldung/hashmaptoarraylist/HashMapToArrayListConverterUtils.java
new file mode 100644
index 0000000000..dd5cc1fe47
--- /dev/null
+++ b/core-java-modules/core-java-collections-conversions-3/src/main/java/com/baeldung/hashmaptoarraylist/HashMapToArrayListConverterUtils.java
@@ -0,0 +1,66 @@
+package com.baeldung.hashmaptoarraylist;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
+import com.google.common.collect.Maps.EntryTransformer;
+
+public class HashMapToArrayListConverterUtils {
+
+ static ArrayList convertUsingConstructor(HashMap hashMap) {
+ if (hashMap == null) {
+ return null;
+ }
+ return new ArrayList(hashMap.values());
+ }
+
+ static ArrayList convertUsingAddAllMethod(HashMap hashMap) {
+ if (hashMap == null) {
+ return null;
+ }
+
+ ArrayList arrayList = new ArrayList(hashMap.size());
+ arrayList.addAll(hashMap.values());
+
+ return arrayList;
+ }
+
+ static ArrayList convertUsingStreamApi(HashMap hashMap) {
+ if (hashMap == null) {
+ return null;
+ }
+
+ return hashMap.values()
+ .stream()
+ .collect(Collectors.toCollection(ArrayList::new));
+ }
+
+ static ArrayList convertUsingForLoop(HashMap hashMap) {
+ if (hashMap == null) {
+ return null;
+ }
+
+ ArrayList arrayList = new ArrayList(hashMap.size());
+ for (Map.Entry entry : hashMap.entrySet()) {
+ arrayList.add(entry.getValue());
+ }
+
+ return arrayList;
+ }
+
+ static public ArrayList convertUsingGuava(HashMap hashMap) {
+ if (hashMap == null) {
+ return null;
+ }
+
+ EntryTransformer entryMapTransformer = (key, value) -> value;
+
+ return Lists.newArrayList(Maps.transformEntries(hashMap, entryMapTransformer)
+ .values());
+ }
+
+}
diff --git a/core-java-modules/core-java-collections-conversions-3/src/test/java/com/baeldung/hashmaptoarraylist/HashMapToArrayListConverterUtilsUnitTest.java b/core-java-modules/core-java-collections-conversions-3/src/test/java/com/baeldung/hashmaptoarraylist/HashMapToArrayListConverterUtilsUnitTest.java
new file mode 100644
index 0000000000..26a42e77c0
--- /dev/null
+++ b/core-java-modules/core-java-collections-conversions-3/src/test/java/com/baeldung/hashmaptoarraylist/HashMapToArrayListConverterUtilsUnitTest.java
@@ -0,0 +1,60 @@
+package com.baeldung.hashmaptoarraylist;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.containsInAnyOrder;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+
+import org.junit.Before;
+import org.junit.Test;
+
+public class HashMapToArrayListConverterUtilsUnitTest {
+
+ private HashMap hashMap;
+
+ @Before
+ public void beforeEach() {
+ hashMap = new HashMap<>();
+ hashMap.put(1, "AAA");
+ hashMap.put(2, "BBB");
+ hashMap.put(3, "CCC");
+ hashMap.put(4, "DDD");
+ }
+
+ @Test
+ public void givenAHashMap_whenConvertUsingConstructor_thenReturnArrayList() {
+ ArrayList myList = HashMapToArrayListConverterUtils.convertUsingConstructor(hashMap);
+
+ assertThat(hashMap.values(), containsInAnyOrder(myList.toArray()));
+ }
+
+ @Test
+ public void givenAHashMap_whenConvertUsingAddAllMethod_thenReturnArrayList() {
+ ArrayList myList = HashMapToArrayListConverterUtils.convertUsingAddAllMethod(hashMap);
+
+ assertThat(hashMap.values(), containsInAnyOrder(myList.toArray()));
+ }
+
+ @Test
+ public void givenAHashMap_whenConvertUsingForLoop_thenReturnArrayList() {
+ ArrayList myList = HashMapToArrayListConverterUtils.convertUsingForLoop(hashMap);
+
+ assertThat(hashMap.values(), containsInAnyOrder(myList.toArray()));
+ }
+
+ @Test
+ public void givenAHashMap_whenConvertUsingStreamApi_thenReturnArrayList() {
+ ArrayList myList = HashMapToArrayListConverterUtils.convertUsingStreamApi(hashMap);
+
+ assertThat(hashMap.values(), containsInAnyOrder(myList.toArray()));
+ }
+
+ @Test
+ public void givenAHashMap_whenConvertUsingGuava_thenReturnArrayList() {
+ ArrayList myList = HashMapToArrayListConverterUtils.convertUsingGuava(hashMap);
+
+ assertThat(hashMap.values(), containsInAnyOrder(myList.toArray()));
+ }
+
+}