ArrayList : remove(Object o) : Remove first occurrence of Specific Object

public boolean remove(Object o)

Removes the first occurrence of the specified element from this list if it is present. Return true if this list contained the specified element.

import java.util.*;

class ArrayListRemoveObject{
 public static void main(String args[]){
  ArrayList<Integer> myList;
  myList = new ArrayList<> ();
  
  /* Add Elements to myList */
  myList.add(10);
  myList.add(20);
  myList.add(30);
  myList.add(10);
  
  System.out.println("Elements in myList are");
  System.out.println(myList);
  
  Integer i1 = new Integer(10);
  System.out.print("\nIs 10 removed ");
  System.out.println(myList.remove(i1));
  
  i1 = new Integer(50); 
  System.out.print("Is 50 removed ");
  System.out.println(myList.remove(i1));
  
  System.out.println("\nElements in myList are");
  System.out.println(myList);
 }
}

Output

Elements in myList are
[10, 20, 30, 10]

Is 10 removed true
Is 50 removed false

Elements in myList are
[20, 30, 10]

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