Showing posts with label remove element from linkedlist. Show all posts
Showing posts with label remove element from linkedlist. Show all posts

Monday, 18 May 2015

How To Remove Element of LinkedList

 We can remove specific element from linkedlist using remve(int index) method.

import java.util.LinkedList;

public class RemoveElement {
   
public static void main(String[] args) {
   
    LinkedList<String> linkedList = new LinkedList<String>();
   
    linkedList.add("Mumbai");
    linkedList.add("Delhi");
    linkedList.add("Noida");
    linkedList.add("Gao");
    linkedList.add("Patna");
    //print linkedlist
    System.out.println("Before Remove Element Linklist is = "+linkedList);
   
    /*
     * Removes the element at the specified position in this
       list. Shifts any subsequent elements to the left
     */
   
    linkedList.remove(2);
   
    System.out.println("After Remove Element Linklist is = "+linkedList);
}

}

Output:

Before Remove Element Linklist is = [Mumbai, Delhi, Noida, Gao, Patna]

After Remove Element Linklist is = [Mumbai, Delhi, Gao, Patna]


How Remove All Element From LinkedList Example

We can remove all element of LinkedList using clear() method . clear() removes all element from the list and return empty list.

 Method 1:

import java.util.LinkedList;

public class RemoveAll {

    public static void main(String[] args) {
       
        LinkedList<String> linkedList = new LinkedList<String>();
       
        linkedList.add("Mumbai");
        linkedList.add("Delhi");
        linkedList.add("Noida");
        linkedList.add("Gao");
        linkedList.add("Patna");
        //print linkedlist
        System.out.println("Before Removing Linklist is = "+linkedList);
       
        /*
         * Removes all of the elements from this list.
           The list will be empty after this call returns.
         */
       
        linkedList.clear();
       
        System.out.println("After Removing Linklist is = "+linkedList);

    }
   
}


Ouput:

Before Removing Linklist is = [Mumbai, Delhi, Noida, Gao, Patna]

After Removing Linklist is = []