MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

/**
 *Output: 
Contents of al: [1, 2, 3, 4]
Sum is: 10 */

import java.util.ArrayList;

public class MainClass {
    public static void main(String args[]) {

        ArrayList<Integer> al = new ArrayList<Integer>();

        al.add(1);
        al.add(2);
        al.add(3);
        al.add(4);

        System.out.println("Contents of al: " + al);

        Integer ia[] = new Integer[al.size()];
        ia = al.toArray(ia);

        int sum = 0;

        for (int i : ia)
            sum += i;

        System.out.println("Sum is: " + sum);
    }
}