Java.util.LinkedList.contains() Method

Description

The java.util.LinkedList.contains(Object o) method returns true if this list contains the specified element.

Declaration

Following is the declaration for java.util.LinkedList.contains() method

public boolean contains(Object o)

Parameters

• o -- element whose presence in this list is to be tested

Return Value

This method returns true if this list contains the specified element

Exception

• NA

Example

The following example shows the usage of java.util.LinkedList.contains() method.

package com.tutorialspoint;

import java.util.*;

public class LinkedListDemo {

   public static void main(String[] args) {

      // create a LinkedList
      LinkedList list = new LinkedList();

      // add some elements
      list.add("Hello");
      list.add(2);
      list.add("Chocolate");
      list.add("10");

      // print the list
      System.out.println("LinkedList:" + list);

      // check if the list contains "Coffee"
      System.out.println("List contains 'Coffee':" + list.contains("Coffee"));

      // check if the list contains "10"
      System.out.println("List contains '10':" + list.contains("10"));
   }
}

Let us compile and run the above program, this will produce the following result:

LinkedList:[Hello, 2, Chocolate, 10]
List contains 'Coffee':false
List contains '10':true