Java Training Institute in Chennai

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Java Training Institute in Chennai
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Java classes and objects

• Java is a object oriented programming language
• Everything in Java associated with classes and
  objects, along with its attributes and methods.
  For example in real life car is an object.
  Weight and color is attribute of car and drive
  and brake is method of car.
• A class is like an object constructor, or a
  blueprint for creating objects.

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Create a Class

• To create a class, use keyword class
• Create a class called MY CLASS with a variable
  x.
• Public class my class

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Create an Object

• In Java, object is created from class. We have
  already create the class name MYCLASS, so now we
  can use this to create objects.
• To create an object of MYCLASS, specify the class
  name, followed by the object name, and use the
  keyword new

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Using Multiple Classes

• You can also create an object of a class and
  access it in another class. This is often used
  for better organization of classes.
• Remember that the name of the java file should
  match the class name. In this example, we have
  created two files in the same directory/folder
• MyClass.java
• OtherClass.java

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