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 Question: Length and breadth of a rectangle are 5 and 7 respectively. Write a program to calculate the area and perimeter of the rectangle.

Ans:

package CoreJava;

import java.util.Scanner;

import java.util.Random;

public class javaCore {


public static void main(String[] args) {

int l = 5;

int b = 7;

int a = (l*b);

//this will area of a rectangle is given 

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

int p = 2*(l + b);

System.out.println("This is perimeter of the rectangle" + p);

}

}

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