TYPESCRIPT

remove duplicates from list java

Set<String> set = new HashSet<>(yourList);
yourList.clear();
yourList.addAll(set);

compare two lists and remove duplicates java

listA.removeAll(new HashSet(listB));

remove duplicates from list java

 ArrayList<Object> withDuplicateValues;
 HashSet<Object> withUniqueValue = new HashSet<>(withDuplicateValues);
 
 withDuplicateValues.clear();
 withDuplicateValues.addAll(withUniqueValue);

list remove duplicates Java

// remove duplicates with HashSet
Set<Song> songSet = new HashSet<>(songList);
System.out.println("6: " + songSet);

// TreeSet, remove duplicates and keep it sorted
Set<Song> songTreeSet = new TreeSet<>(songList);
System.out.println("7: " + songTreeSet);
// TreeSet can accept Comparator, pass it in its constructor
Set<Song> songTreeSetComparator = new TreeSet<>((o1, o2) -> o1.getBpm() - o2.getBpm());
songTreeSetComparator.addAll(songList);
System.out.println("8: (sort by BPM)" + songTreeSetComparator);