Learn Java: A program that accepts 2 integer values and 1 double value using JOption class

Copy the codes below and paste into your compiler. I used eclipse. Your Class name should be same as your file name.

// Write a program that accepts 2 integer values and 1 double value from
//the keyboard using the JOption class; then compute the sum of the values.
import javax.swing.JOptionPane;
public class ClassSample3
{
public static void main(String[] args)
{
String num1, num2, num3;
int a,b; double c, sum, average;
num1 = JOptionPane.showInputDialog(null, "Enter an Integer Value");
a = Integer.parseInt(num1);
num2 = JOptionPane.showInputDialog(null, "Enter Second Integer Value");
b = Integer.parseInt(num2);
num3 = JOptionPane.showInputDialog(null, "Enter a Double Value");
c = Double.parseDouble(num3);
// Compute Sum and Average
sum = a+b+c;
average = (sum / 3);
JOptionPane.showMessageDialog(null, "The sum is "+ sum +" \n The average is "+ average, "Answer", JOptionPane.PLAIN_MESSAGE);
}
}

If you encounter(ed) any error while compiling, Contact me here or leave a comment below. I'll get back to you.