Search elements of LinkedList - Java Collection Framework

Java examples for Collection Framework:LinkedList

  1. HOME
  2. Java
  3. Collection Framework
  4. LinkedList

Description

Search elements of LinkedList

Demo Code

 
import java.util.LinkedList;
 
public class Main {
 
  public static void main(String[] args) {
    LinkedList lList = new LinkedList();
   /* w  ww.j  av a2  s .c om*/
    lList.add("1");
    lList.add("2");
    lList.add("3");
    lList.add("4");
    lList.add("5");
    lList.add("2");
   
     int index = lList.indexOf("2");
     if(index != -1){
       System.out.println("First occurrence of 2 in LinkedList is at index : " + index);
     } else {
      System.out.println("LinkedList does not contain 2");
     }
   
     index = lList.lastIndexOf("2");
     if(index != -1) {
      System.out.println("Last occurrence of 2 in LinkedList is at index : " + index);
     }else{
      System.out.println("LinkedList does not contain 2");
     }
   
  }
}

Result


Related Tutorials