Array remove duplicate in 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

Java remove duplicates

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

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

1 vote303 views1 answer
Android how to don't show keyboard
Java
0 vote301 views1 answer
Height constraint layout guideline
Java
6 votes304 views3 answers
Initialize arraylist
Java
4 votes339 views1 answer
Rates api
Java
0 vote361 views1 answer
How to open a desktop application using java
Java
0 vote356 views1 answer
Spring commandlinerunner example
Java
0 vote291 views1 answer
Entity cannot be resolved to a type in spring boot eclipse
Java
0 vote289 views1 answer
Arrotondare un numero a 2 cifre dopo la virgola java
Java
10 votes313 views5 answers
Sort 2d array by column java
Java
0 vote359 views1 answer
Generic method lambda java
Java