linklistdemo.java

java课程的资料以及实验的代码

import java.util.*;
public class LinkListDemo {
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		//create a Linked list
		LinkedList l1=new LinkedList();
		//add element to the linked List
		l1.add("Fist");
		l1.add("B");
		l1.add("D");
		l1.add("E");
		l1.add("C");
		l1.addLast("Z");
		l1.addFirst("A");
		l1.add(1,"A2");
		System.out.println("Original content of l1"+l1);
		//remove the element of the list 
		l1.remove("F");
        l1.remove(2);
        System.out.println("Content of l1 after deletion"+l1);
        //Remove the fiest and last element
        l1.removeFirst();
        l1.removeLast();
        System.out.println("Contents of delete the first and last"+l1);
        //get and set a value
        Object val=l1.get(2);
        l1.set(2,(String)val+"  changed");
        System.out.println("l1 after changed"+l1);
	}
}