published at 4/4/24, 8:20:11 am
class Rectangle
{
private int a, b;
Rectangle(int a, int b)
{
this.a=a;
this.b=b;
}
public int Area()
{
return this.a*this.b;
}
public int Perimeter()
{
return 2*(this.a+this.b);
}
}
class Square extends Rectangle
{
Square(int a)
{
super(a,a);
}
}
