Abstract Class In Java Example Employee

Public employee string name string address int number system out println constructing an employee.

Abstract class in java example employee. Abstract void printstatus. Posted under java basic examples categories. Oop questions are very common in job interviews so you may expect questions about abstraction on your next java job interview.

Example of abstract method. Employee management system project in java online source code employee class example code java inheritance polymorphism example oop inheritance polymorphism java programming tutorial with example code what is polymorphism in java. Class main extends language public static void main string args create an object of main main obj new main.

Abstract class is a type of class in java that declare one or more abstract methods. All explain in given example public abstract class employee int employeeid. Employee contractor and fulltimeemployee example in this example we create an abstract employee class and which contains abstract calculatesalary method.

Method overloading or overriding. A normal class cannot have abstract methods. To give an example of abstraction we will create one superclass called employee and two subclasses contractor and fulltimeemployee.

Let the subclasses extend employee class and implement a calculatesalary method. A method which is declared as abstract and does not have implementation is known as an abstract method. For example abstract class language method of abstract class public void display system out println this is java programming.

These classes can have abstract methods as well as concrete methods. Here is the employee class which is used in many of the examples in this site. Employee class has four properties namely id name department and age and.