Question

How to remove duplicates from List in Java

Answer 1

import java.util.*;
import java.util.stream.Collectors; 
  
public class MyClass {
    public static void main(String args[]) {
        List<Integer> list = new ArrayList<>(Arrays.asList(2, 0, 1, 2, 3, 2, 4, 4, 5, 6, 6)); 
  
        System.out.println(list); 
          
        list = list.stream().distinct().collect(Collectors.toList()); 
  
        System.out.println(list); 
    }
}
      
      
      
      
/*
run:
      
[2, 0, 1, 2, 3, 2, 4, 4, 5, 6, 6]
[2, 0, 1, 3, 4, 5, 6]
  
*/

 

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