Remove duplicates from list 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);
    }
}

Source: devqa.io

Remove duplicates from list java

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

Java remove duplicates

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

Compare two lists and remove duplicates java

listA.removeAll(new HashSet(listB));

Source: stackoverflow.com

Array remove duplicate in java

List<Integer>numbers = Arrays.asList(1,2,2,2,3,5); // [1, 2, 3, 5]
System.out.println(numbers);

Set<Integer> hashSet = new LinkedHashSet(numbers);
ArrayList<Integer> removedDuplicates = new ArrayList(hashSet);
System.out.println(removedDuplicates); // [1, 2, 3, 5]

-1

Similar codes

0 vote205 views1 answer
Java remote debug
Java
13 votes192 views2 answers
What is junit
Java
0 vote186 views1 answer
Draw single point java
Java
0 vote211 views4 answers
Mergesort
Java
0 vote221 views1 answer
@crossorigin spring allow all
Java Spring
0 vote215 views1 answer
111111000
Java
-2 votes223 views1 answer
Coin flip in java
Java
0 vote207 views1 answer
Do not treat position as fixed; only use immediately and call `holder.getAdapterPosition()` to look it up later
Java
1 vote221 views1 answer
Play sound on button click android studio
Java
3 votes213 views2 answers
Java random boolean
Java