Answers for "remove duplicates from arraylist java"

java remove duplicates

import java.util.*;

public class RemoveDuplicatesFromArrayList {

    public static void main(String[] args) {
        List<Integer> numbers = Arrays.asList(1,2,2,2,3,5);

        System.out.println(numbers);

        Set<Integer> hashSet = new LinkedHashSet(numbers);
        ArrayList<Integer> removedDuplicates = new ArrayList(hashSet);

        System.out.println(removedDuplicates);
    }
}

java remove duplicates

public static <T> ArrayList<T> removeDuplicates(ArrayList<T> list){
  Set<T> set = new LinkedHashSet<>(list);
  return new ArrayList<T>(set);
}

remove duplicates from arraylist in android

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

remove duplicates from list java

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

how to remove duplicate item from arraylist in java using comparator

Set<FilterModel> set = new TreeSet<>(new Comparator<FilterModel>() {
@Override
public int compare(FilterModel o1, FilterModel o2) {
if (o1.getFtype().equalsIgnoreCase(o2.getFtype())) {
return 0;
}
return 1;
}
});

set.addAll(filterlist);
filterlist.clear();
filterlist.addAll(set);