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Java Object

Definition - What does Java Object mean?

A Java object is a combination of data and procedures working on the available data. An object has a state and behavior. The state of an object is stored in fields (variables), while methods (functions) display the object's behavior. Objects are created from templates known as classes. In Java, an object is created using the keyword "new".

Techopedia explains Java Object

There are three steps to creating a Java object:

  1. Declaration of the object
  2. Instantiation of the object
  3. Initialization of the object

When a Java object is declared, a name is associated with that object. The object is instantiated so that memory space can be allocated. Initialization is the process of assigning a proper initial value to this allocated space. The properties of Java objects include:

  • One can only interact with the object through its methods. Hence, internal details are hidden.
  • When coding, an existing object may be reused.
  • When a program's operation is hindered by a particular object, that object can be easily removed and replaced.

A new object t from the class "tree" is created using the following syntax: Tree t = new Tree().

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