By Sayed: 8 [use Firefox or IE with large font size]
/*
* LinkedList.java
*
* Created on January 10, 2008, 8:51 PM
*
* To change this template, choose Tools | Template Manager
* and open the template in the editor.
*/
package linkedlist;
import java.util.List;
import java.util.LinkedList;
import java.util.Iterator;
import java.util.ListIterator;
import java.util.Collections;
import java.util.Random;
/**
*
* @author Sayed
*/
public class LinkedListTest {
/** Creates a new instance of LinkedList */
public LinkedListTest() {
}
/**
*Example operations using linked lists
*/
public void linkedListOperation(){
final int MAX = 10;
int counter = 0;
//create two linked lists
List listA = new LinkedList();
List listB = new LinkedList();
//store data in the linked list A
for (int i = 0; i < MAX; i++) {
System.out.println(" - Storing Integer(" + i + ")");
listA.add(new Integer(i));
}
//print data from the linked list using iterator
Iterator it = listA.iterator();
while (it.hasNext()) {
System.out.println(it.next());
}
//print data from the linked list using listIterator.
counter = 0;
ListIterator liIt = listA.listIterator();
while (liIt.hasNext()) {
System.out.println("Element [" + counter + "] = " + liIt.next());
System.out.println(" - hasPrevious = " + liIt.hasPrevious());
System.out.println(" - hasNext = " + liIt.hasNext());
System.out.println(" - previousIndex = " + liIt.previousIndex());
System.out.println(" - nextIndex = " + liIt.nextIndex());
System.out.println();
counter++;
}
//retrieve data from the linked list using index
for (int j=0; j < listA.size(); j++) {
System.out.println("[" + j + "] - " + listA.get(j));
}
//find the location of an element
int locationIndex = listA.indexOf("5");
System.out.println("Index location of the String "5" is: " + locationIndex);
//find the first and the last location of an element
System.out.println("First occurance search for String "5". Index = " +
listA.indexOf("5"));
System.out.println("Last Index search for String "5". Index = " +
listA.lastIndexOf("5"));
//create a sublist from the list
List listSub = listA.subList(10, listA.size());
System.out.println("New Sub-List from index 10 to " + listA.size() + ": " +
listSub);
//sort the sub-list
System.out.println("Original List : " + listSub);
Collections.sort(listSub);
System.out.println("New Sorted List : " + listSub);
System.out.println();
//reverse the new sub-list
System.out.println("Original List : " + listSub);
Collections.reverse(listSub);
System.out.println("New Reversed List : " + listSub);
System.out.println();
//check to see if the lists are empty
System.out.println("Is List A empty? " + listA.isEmpty());
System.out.println("Is List B empty? " + listB.isEmpty());
System.out.println("Is Sub-List empty? " + listSub.isEmpty());
//compare two lists
System.out.println("A=B? " + listA.equals(listB));
System.out.println();
//Shuffle the elements around in some Random order for List A
Collections.shuffle(listA, new Random());
//convert a list into an array
Object[] objArray = listA.toArray();
for (int j=0; j < objArray.length; j++) {
System.out.println("Array Element [" + j + "] = " + objArray[j]);
}
//clear listA
System.out.println("List A (before) : " + listA);
System.out.println();
listA.clear();
System.out.println("List A (after) : " + listA);
System.out.println();
}
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
// TODO code application logic here
LinkedListTest listExample = new LinkedListTest();
listExample.linkedListOperation();
}
}
From: http://sitestree.com/?p=3673
Categories:Root, By Sayed Ahmed
Tags:
Post Data:2016-09-15 14:18:33
Shop Online: https://www.ShopForSoul.com/
(Big Data, Cloud, Security, Machine Learning): Courses: http://Training.SitesTree.com
In Bengali: http://Bangla.SaLearningSchool.com
http://SitesTree.com
8112223 Canada Inc./JustEtc: http://JustEtc.net (Software/Web/Mobile/Big-Data/Machine Learning)
Shop Online: https://www.ShopForSoul.com/
Medium: https://medium.com/@SayedAhmedCanada
