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 vote138 views1 answer
Spigot remove every entity
Java
0 vote154 views1 answer
File with line numbers inserted java
Java
1 vote137 views1 answer
How to resize image in android programmatically
Java
69 votes129 views1 answer
Systemtime java
Java
4 votes133 views1 answer
!== in javasrippt
Java
1 vote131 views1 answer
Java bufferedimage get int array
Java
-1 vote146 views1 answer
How to change java class name in intellij
Java
1 vote157 views1 answer
Contains hashmap java
Java
1 vote135 views1 answer
Why java don't support multiple inheritance
Java
0 vote185 views1 answer
Plugin 'org.springframework.boot:spring-boot-maven-plugin:' not found
Java Spring