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.

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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