Java.util.LinkedList.contains() Method


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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.

Live Demo
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

java_util_linkedlist.htm

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