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/* Calculate Rectangle Perimeter using Java Example This Calculate Rectangle Perimeter using Java Example shows how to calculate perimeter of Rectangle using it's length and width. */ import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class CalculateRectPerimeter { 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); } /* * Perimeter of a rectangle is * 2 * (length + width) */ int perimeter = 2 * (length + width); System.out.println("Perimeter of a rectangle is " + perimeter); } } /* Output of Calculate Rectangle Perimeter using Java Example would be Please enter length of a rectangle 10 Please enter width of a rectangle 15 Perimeter of a rectangle is 50 */ |
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