//without lambda expression
interface Square {
public int mul(int x);
}
class Demo1 implements Square {
public int mul(int x) {
return x * x; // or (int x)->x*x;
}
}
public class Multiply {
public static void main(String[] args) {
Square s = new Demo1();
System.out.println("The square is : " + s.mul(8));
}
}
//with Lambda Expression
interface Square {
public int mul(int x);
}
public class Multiply {
public static void main(String[] args) {
Square s = x -> {
return x * x;
};
System.out.println("The square is :" + s.mul(5));
s.mul(5);
}
}
