Java - Set를 List로, List를 Set로 변환하는 방법

implementation("com.google.guava:guava:28.2-jre")

implementation("com.google.guava:guava:28.2-android")

List<Integer> sourceList = Arrays.asList(0, 1, 2, 3, 4, 5);
Set<Integer> targetSet = new HashSet<>(sourceList);

List<Integer> sourceList = Lists.newArrayList(0, 1, 2, 3, 4, 5);
Set<Integer> targetSet = Sets.newHashSet(sourceList);

Set<Integer> sourceSet = new HashSet<>(Arrays.asList(0, 1, 2, 3, 4, 5));
List<Integer> targetList = new ArrayList<>(sourceSet);

Set<Integer> sourceSet = Sets.newHashSet(0, 1, 2, 3, 4, 5);
List<Integer> targetList = Lists.newArrayList(sourceSet);

Integer[] array = {1, 2, 3};
Set<Integer> set = Arrays.stream(array).collect(Collectors.toSet());
System.out.println("Set: " + set);
// Set: [1, 2, 3]

Set<Integer> set = Sets.newHashSet(1, 2, 3);
Integer[] array = new Integer[set.size()];

set.toArray(array);
System.out.println("Array: " + Arrays.toString(array));
// Array: [1, 2, 3]

Integer[] array = {1, 2, 3};
List<Integer> list = Arrays.stream(array).collect(Collectors.toList());

List<Integer> list = Arrays.asList(1, 2, 3);
Integer[] array = new Integer[list.size()];
list.toArray(array);