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

0 vote207 views1 answer
Show all spring boot beans
Java
0 vote189 views1 answer
Convert object array to int array java
Java
3 votes202 views1 answer
How to check if a char is a letter java
Java
0 vote189 views1 answer
Resurce leak java
Java
0 vote304 views1 answer
How to make 2 nested loops to count to 100
Java
0 vote235 views2 answers
Java program to find the sum of all even numbers from 1 to 10
Java
5 votes211 views2 answers
Android get screen width and height
Java
2 votes205 views1 answer
Split every character in string into array java
Java
6 votes193 views2 answers
Java get files in directory
Java
0 vote214 views2 answers
Setbackground java
Java