What is object why it is used?

An object is an abstract data type with the addition of polymorphism and inheritance . Rather than structure programs as code and data, an object-oriented system integrates the two using the concept of an “object”. An object has state (data) and behavior (code). Objects can correspond to things found in the real world.

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How do you create a simple object?

Using new Keyword Using the new keyword is the most popular way to create an object or instance of the class. When we create an instance of the class by using the new keyword, it allocates memory (heap) for the newly created object and also returns the reference of that object to that memory.

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How do you create a simple object?

Using new Keyword Using the new keyword is the most popular way to create an object or instance of the class. When we create an instance of the class by using the new keyword, it allocates memory (heap) for the newly created object and also returns the reference of that object to that memory.

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What can a class have in Java?

A class describes the data and the methods of its objects . Every object belongs to some class. An object contains data (instance variables) representing its state, and instance methods, which are the things it can do. A class may also contain its own data (class variables) and class methods.

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