Difference between static and instance variables in Java (Core Java Interview Question

Publié le: 29 juin 2024
sur la chaîne: QAFox

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In this session, I have explained the difference between static variables and instance variables in Java. There are two types of variables at a high level, i.e. local variables and global variables. If you further categorize the global variables, you can divide them into instance variables and static variables. Instance variables belong to object memory and they store the data which change from object to object. Where as static variables belong to the class memory and they store the data which is common for all the objects of the class. To access instance variables outside the class, we have to use object reference to access. But to access static variables outside the class, we have to use Class name to access. I have explained the different between static variables and instance variables with a real world example in a theoretical, diagrammatical and practical way using Java program in this session.

What is the difference between static and instance variables in Java (Core Java Interview Question #496)

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