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);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);Copyright © 2021 Codeinu
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