Java

It describes what an object derived from it will be, but is a completely separate entity from the object itself. In other words, classes can be described as blueprints, descriptions, or definitions for an object.

• OOP

• Method

• Class

• Return types

It is a collection of statements that are grouped together to perform an operation.

• OOP

• Method

• Class

• Return types

A programming style in Java and other programming languages intends to make thinking about programming closer to the real world.

• OOP

• Method

• Class

• Return types

It is basically variables within a class.

• Attributes

• Methods

• Calling Methods

• Return types

Access modifiers that is accessible only within the declared class itself.

• public

• default

• protected

• private

Access modifiers that is accessible from any other class.

• public

• default

• protected

• private

Access modifiers that provides the same access as the default access modifier, with the addition that subclasses can access protected methods and variables of the superclass.

• public

• default

• protected

• private

Access modifiers that a variable or method declared with no access control modifier is available to any other class in the same package

• public

• default

• protected

• private

Stores a reference (or address) to the memory location where the corresponding data is stored.

• Value Types

• Reference Types

• Math class

• Methods

These are the basic types and include byte, short, int, long, float, double, boolean, and char. These types store the values assigned to them in corresponding memory locations.

• Value Types

• Reference Types

• Math class

• Methods