Calculate Area of a Rectangle

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

public class RectArea {

public static void main(String[] args) {

int width = 0;

int length = 0;

try

{

BufferedReader br =

new BufferedReader(new InputStreamReader(System.in));

System.out.println("Please enter length of a rectangle");

length = Integer.parseInt(br.readLine());

System.out.println("Please enter width of a rectangle");

width = Integer.parseInt(br.readLine());

}

catch(NumberFormatException ne)

{

System.out.println("Invalid value" + ne);

System.exit(0);

}

catch(IOException ioe)

{

System.out.println("IO Error :" + ioe);

System.exit(0);

}

int area = length * width;

System.out.println("Area of a rectangle is " + area);

}

}