Java Collection Tutorial - Java Deque .removeFirstOccurrence (Object o)

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Syntax

Deque.removeFirstOccurrence(Object o) has the following syntax.

boolean removeFirstOccurrence(Object o)

Example

In the following code shows how to use Deque.removeFirstOccurrence(Object o) method.

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import java.util.ArrayDeque;
import java.util.Deque;

public class Main {
   public static void main(String[] args) {
      
       
      Deque<Integer>  deque = new ArrayDeque<Integer> (8);

      
      deque.add(15);
      deque.add(20);
      deque.add(25);
      deque.add(20);

      // this will remove first occurrence of element 20
      deque.removeFirstOccurrence(20);

      System.out.println(deque);
   }
}

The code above generates the following result.

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