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.
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
This Calculate Rectangle Area using Java Example shows how to calculate area of Rectangle using it's length and width.
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
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);
}
}
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