Java Classes and Objects

In Java programming language, the code is placed inside ___.

• Classes, Interfaces

• Methods

• Blocks

• all of the above

Properties are implemented using ___ in Java.

• Methods

• Variables

• Interfaces

• All the above

Which is the file extension used for a public Java class source code?

• .j

• .class

• .java

State TRUE or FALSE.

The source-code of An Abstract-Class or Interface is kept inside a .java file.

• true

• false

Creating an object from a class is also called ____.

• Initializing

• Instantiating

• Interfacing