Rewrite object-oriented code using functional techniques. Get started with lambdas, method references, functional interfaces, and the Streams API in Java Welcome back to this two-part tutorial ...

public class comparator_vs_comparable // comparator is a functional interface so that we can use annonymous class we have to initilize <integer> on left hand side ...

public static void main(String[] args) throws Exception { EmployeeFactory employeeFactory = new EmployeeFactory(); employeeList = employeeFactory.getAllEmployee ...