classes objects and methods in java programming
What are class methods Java?
Class methods can access class variables and class methods directly.
Class methods cannot access instance variables or instance methods directly—they must use an object reference.
Also, class methods cannot use the this keyword as there is no instance for this to refer to.What are classes objects and methods in Java?
Everything in Java is associated with classes and objects, along with its attributes and methods.
For example: in real life, a car is an object.
The car has attributes, such as weight and color, and methods, such as drive and brake.
A Class is like an object constructor, or a "blueprint" for creating objects.In Java program, “ dots ” are used to separate classes, objects and methods.
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In object-oriented programming technique, we design a program using objects and classes An object in Java is the physical as well as a logical entity, whereas, a class in Java is a logical entity only An entity that has state and behavior is known as an object e g , chair, bike, marker, pen, table, car, etc |
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Object oriented programming Defining Classes Let's declare a baby public class Baby { fields methods } Primitive types are basic java types – int, long |
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