Class 2 Code

import java.util.Scanner;

/**

• Calculate the area of triangle today */

/**

• @author javauser

• @category MainApp

• @version 0.8

• The application will calculate the area of any triangle. */ public class CalcAreaApp {

  /**

  • @param args */ public static void main(String[] args) { // TODO Auto-generated method stub // TODO Add error handling // FIXME - there is a bug here

    System.out.println(args[0]); System.out.println(args[1]);

    //Example of making a double from a String // System.out.println(Double.valueOf("67.9"));

    System.out.println("Please type in a double and hit :> "); Scanner s = new Scanner(System.in); double inputDouble = s.nextDouble(); System.out.println("You typed in: " + inputDouble);

    double base; double height; long x; int y;

    base = Double.valueOf(args[0]); height = Double.valueOf(args[1]); x = Long.valueOf(args[2]); y = Integer.valueOf(args[3]);

    // Triangle Area Formula is 1/2 base * height double triangleArea = 0.5 * base * height;

    // type syso and ctrl-space to get completion System.out.println("Triangles area is: " + triangleArea);

    long rectArea = x * y; System.out.println("Rectangle area is: " + rectArea); System.out.println("Rectangle area is: " + (x * y)); }

}