Calculate area of rectangle using default constructor in java
import java.util.*;
class RectangleShape
{
int area, length, breadth;
RectangleShape()
{
length = 50;
breadth = 20;
}
void getArea()
{
area = length * breadth;
System.out.println("Area of Rectangle : " + area);
}
}
public class RectangleAreaConstructor
{
public static void main(String[] args)
{
RectangleShape rs = new RectangleShape();
rs.getArea();
}
}Java program to calculate area of rectangle
import java.util.Scanner;
public class RectangleArea
{
public static void main(String[] args)
{
Scanner sc = new Scanner(System.in);
System.out.println("Please enter length of rectangle: ");
double length = sc.nextDouble();
System.out.println("Please enter width of rectangle: ");
double width = sc.nextDouble();
double area = length * width;
System.out.println("Area of rectangle is: " + area);
sc.close();
}
}area of square
Area of square = Length (or width, whichever) to the power of 2Copyright © 2021 Codeinu
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