Pls rectify the errors and help me in correcting it

Question

import java.util.Scanner;

abstract class Shape {
int width;
abstract void area();
}

class Square
{
Square(int width)
{
void area(){
System.out.println(width*width);
}
}
}
class Circle
{
Circle(int width)
{
void area()
{
System.out.println(Math.PI*width*width);
}
}
}

public class Program {
public static void main(String[ ] args) {
Scanner sc = new Scanner(System.in);
int x = sc.nextInt();
int y = sc.nextInt();

Square a = new Square(x);
Circle b = new Circle(y);
a.area();
b.area();
}
}

Answer 1

See this code which I'm modified from your code
again learn carefully about abstract class ...
Below is my attempt 👇
https://code.sololearn.com/cezpFku341r7/?ref=app

Answer 2

Thank you