package com.javatechie.stream.api.example; import java.util.List; import java.util.stream.Collectors; public class TaxService { public static List evaluateTaxUsers(String input) { return (input.equalsIgnoreCase("tax")) ? DataBase.getEmployees().stream().filter(emp -> emp.getSalary() > 500000).collect(Collectors.toList()) : DataBase.getEmployees().stream().filter(emp -> emp.getSalary() <= 500000) .collect(Collectors.toList()); } public static void main(String[] args) { System.out.println(evaluateTaxUsers("tax")); } }