Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.util.ArrayList;

public class Main {
    public static void main(String[] args) {
        ArrayList<Integer> arrlist = new ArrayList<Integer>(5);

        // use add() method to add elements in the list
        arrlist.add(20);
        arrlist.add(30);
        arrlist.add(10);
        arrlist.add(50);

        System.out.println(arrlist);

        // finding size of this list
        int retval = arrlist.size();
        System.out.println("List consists of " + retval + " elements");

        arrlist.clear();
        retval = arrlist.size();
        System.out.println("list consists of " + retval + " elements");
    }
}