Question

How to remove all occurrences of a specific value from ArrayList in Java

Answer 1

import java.util.*;

public class MyClass {
    public static void removeAll(ArrayList<Integer> list, Integer element) {
        while (list.contains(element)) {
            list.remove(element);
        }
    }
    public static void main(String args[]) {
        ArrayList<Integer> al = new ArrayList<>(Arrays.asList(2, 0, 1, 2, 3, 2, 2, 4, 5, 6, 2)); 

        System.out.println(al); 
        
        removeAll(al, 2);

        System.out.println(al); 
  
    }
}
    
    
    
    
/*
run:
    
[2, 0, 1, 2, 3, 2, 2, 4, 5, 6, 2]
[0, 1, 3, 4, 5, 6]

*/

 

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