What do you mean by object class?

In computer programming, the object class refers to a class created to group various objects which are instances of that class . Classes are code templates for creating objects. In cases where objects need to be grouped in a certain way, an object class is the “container” for a set of objects built on these templates.

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How do I create a .class file?

In the Project window, right-click a Java file or folder, and select New > Java Class . Alternatively, select a Java file or folder in the Project window, or click in a Java file in the Code Editor. Then select File > New > Java Class. The item you select determines the default package for the new class or type.

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