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What is class inJava?

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Anonymous

14y ago
Updated: 8/19/2019

Classes and Interfaces are the basis based on which the java programming universe revolves. Everything in Java is an object but an object is nothing but the runtime orientation of a class. In other words, an object is nothing but a class that is being executed.

Whenever you write any java code, it implicitly means that you are writing classes or interfaces. Within those classes, as you know, are variables and methods (plus a few other things). How you declare your classes, methods, and variables dramatically affects your code's behavior

Declaring Classes:

A Class can be declared with the following statement:

public class AnandsFirstclass {}

Irrespective of the fact that this class does not have any code, this piece of code when saved in a file called AnandsFirstclass.java compiles just fine. Here public is an access modifier, class is the keyword that is used to specify that a class is being declared and AnandsFirstclass is the name of the class we are creating.

There are many different types of classes that you can create. Some of which are:

1. Final Classes - A class that cannot be inherited

2. Normal Classes - The type of class that we declared a few lines back

3. Abstract Classes - A class that is similar to a normal class but that does not provide full functional behaviour by itself. It has to be subclassed/inherited in order to be used.

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14y ago

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