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BAEL-4572: Add List#copyOf and Set#copyOf (#9903)

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* BAEL-4572: Move Converting Between a List and a Set in Java to core-java-10

* BAEL-4572: Add Java10 examples
This commit is contained in:
kwoyke
2020-08-21 14:33:39 +02:00
committed by GitHub
parent 5cebc4aa6b
commit cdb3b1f951
5 changed files with 85 additions and 45 deletions
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1
java-collections-conversions/README.md
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@@ -5,7 +5,6 @@ This module contains articles about conversions among Collection types and array
### Relevant Articles:
- [Converting between an Array and a List in Java](https://www.baeldung.com/convert-array-to-list-and-list-to-array)
- [Converting between an Array and a Set in Java](https://www.baeldung.com/convert-array-to-set-and-set-to-array)
- [Converting between a List and a Set in Java](https://www.baeldung.com/convert-list-to-set-and-set-to-list)
- [Convert a Map to an Array, List or Set in Java](https://www.baeldung.com/convert-map-values-to-array-list-set)
- [Converting a List to String in Java](https://www.baeldung.com/java-list-to-string)
- [How to Convert List to Map in Java](https://www.baeldung.com/java-list-to-map)

36
java-collections-conversions/src/test/java/com/baeldung/java/collections/JavaCollectionConversionUnitTest.java
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@@ -101,42 +101,6 @@ public class JavaCollectionConversionUnitTest {
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);
}
// Map (values) -> Array, List, Set
@Test