java (x,y)->x+y code example

Example 1: java or

int num = 9;

if (num == 1 || num == 2) {
  System.out.println("Nope");
  }

if (num == 1 || num == 9) {
  System.out.println("Yep");
  }

Example 2: java "->"

interface LambdaFunction {
    void call();
}
class FirstLambda {
    public static void main(String []args) {
        LambdaFunction lambdaFunction = () -> System.out.println("Hello world");
        lambdaFunction.call();
    }
}