How is salary calculated for employees in Java?

A constructor in Java is a special method that is used to initialize objects . The constructor is called when an object of a class is created.

To prevent inheritance, use the keyword “final” when creating the class . The designers of the String class realized that it was not a candidate for inheritance and have prevented it from being extended.

The idea behind inheritance in Java is that you can create new classes that are built upon existing classes . When you inherit from an existing class, you can reuse methods and fields of the parent class. Moreover, you can add new methods and fields in your current class also.

Person: An example user defined class[1] [top] The first two could be represented by two Java String variables and the last one by a Java int. That’s three variables to represent one person. By defining a Java class, Person, we can create one variable to represent a Person . Syntax: public class Person { }