/**********************************************ListDemo.java********************************/
import java.util.ArrayList;
/**
* Demo using an ArrayList
*
* @author JUGAL KISHOR SAINI
* @version April,29,2019
*/
public class ListDemo {
private ArrayList<String> list;
public ListDemo() {
list = new
ArrayList<String>();
}
public void useList() {
String blueColor = "blue";
//creating a string object
list.add(blueColor); //add string
to array list
list.add("yellow"); //add String to
array list
/*
* print the size of list
* print the first element
*/
System.out.println("The list has
"+list.size()+" elements");
System.out.println("The first
element is "+ list.get(0));
/*
* remove the first element of
list
* print removed color from
list
* print number of element in the
list
*/
String removedColor =
list.remove(0);
System.out.println("Removed element
"+removedColor);
System.out.println("Now the list
has "+list.size()+" elements");
}
public static void main(String[] args) {
/*
* create object of ListDemo
*/
ListDemo listDemo = new
ListDemo();
/*
* use method of ListDemo
*/
listDemo.useList();
}
}
/**********************************output*************************/
The list has 2 elements
The first element is blue
Removed element blue
Now the list has 1 elements
Thanks a lot, Please let me know if you have any problem.........
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