Java-Programs/Interface.java at master · Riyagoel2/Java-Programs · GitHub

24 lines (23 loc) · 522 Bytes

interface Shape{

int a=4;

double PI=3.14;

void area();

}

class Circle implements Shape{

public void area(){

System.out.println("The area of circle is "+(PI*a*a));

}

class Square implements Shape{

public void area(){

System.out.println("The area of square is "+(a*a));

}

public class Interface {

public static void main(String args[]){

Circle c = new Circle();

Square s = new Square();

c.area();

s.area();

}

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