/* Calculate Rectangle Area using Java Example This Calculate Rectangle Area using Java Example shows how to calculate area of Rectangle using it's length and width. */ import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class CalculateRectArea { public static void main(String[] args) { int width = 0; int length = 0; try { //read the length from console BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); System.out.println("Please enter length of a rectangle"); length = Integer.parseInt(br.readLine()); //read the width from console System.out.println("Please enter width of a rectangle"); width = Integer.parseInt(br.readLine()); } //if invalid value was entered catch(NumberFormatException ne) { System.out.println("Invalid value" + ne); System.exit(0); } catch(IOException ioe) { System.out.println("IO Error :" + ioe); System.exit(0); } /* * Area of a rectangle is * length * width */ int area = length * width; System.out.println("Area of a rectangle is " + area); } } /* Output of Calculate Rectangle Area using Java Example would be Please enter length of a rectangle 10 Please enter width of a rectangle 15 Area of a rectangle is 150 */