Difference Between Static And Non Static Method In Java
Understanding the Difference Between Static and Non-Static Methods in Java
Difference Between Static And Non Static Method In Java
In Java, a static method is a method that belongs to the class itself, rather than an instance of the class. Static methods can be called without creating an instance of the class and are typically used for utility methods that do not require access to instance variables. On the other hand, non-static methods are associated with instances of a class and can access instance variables and other non-static methods. Non-static methods are invoked on a particular instance of the class and can have different behavior depending on the state of that instance.
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1 - Static methods in Java are associated with the class itself, while non static methods are associated with objects (instances) of the class.
2) Static methods can be called using the class name, while non static methods are called using object references.
3) Static methods cannot access instance variables directly, while non static methods can access both static and instance variables.
4) Non static methods can use ‘this’ keyword to refer to the current object, while static methods cannot.
5) Static methods are faster as they are scoped to the class level and do not require an instance to be created.
6) Non static methods are used for operations that are specific to individual instances of a class.
7) Static methods are commonly used for utility methods or helper functions that do not need access to instance variables.
8) Non static methods are used for actions that involve or modify the state of individual objects.
9) Static methods are declared using the ‘static’ keyword, whereas non static methods do not use the ‘static’ keyword.
10) Inheritance affects static and non static methods differently, as static methods cannot be overridden but can be shadowed, while non static methods can be overridden in subclasses.
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