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