Practice oop 2 (programmer zaman now)

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class ManagerApp { public static void main(String[] args) { var manager = new Manager("sule"); manager.sayHello("Budi"); var vp = new VicePresident("budi"); vp.sayHello("anduk"); //contoh Employee employee = new Employee("eko"); employee.sayHello("budi"); employee = new Manager ("eko1"); employee.sayHello("budi1"); employee = new VicePresident("eko2"); employee.sayHello("budi2"); sayHello(new Employee("Budi")); sayHello(new Manager("Joko")); sayHello(new VicePresident("Susilo")); } static void sayHello(Employee employee) { if(employee instanceof VicePresident) { //jika ingin melakukan check dan konversi bisa dilakukan dengan cara // VicePresident vicePresident = (VicePresident) employee; System.out.println("Hello VP" + employee.name); } else if(employee instanceof Manager) { System.out.println("Hello Manager" + employee.name); } else { System.out.println("Hello " + employee.name); } } }
class Manager extends Employee{ Manager(String name) { super(name); } /* Manager(String name, String address) { super(name); this.address = address; } */ void sayHello(String name) { System.out.println("Hi " + name + " My name is Manager " + this.name); } }
class VicePresident extends Manager { VicePresident(String name) { super(name); } void sayHello(String name) { System.out.println("HI " + name + " My name is VP " + this.name); } }
class Employee { String name; Employee(String name){ this.name = name; } void sayHello(String name) { System.out.println("Hi " + name + " My name is Employee " + this.name); } }
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