Static Methods

Static Methods

What is the purpose of static methods in Java?

Static methods can be invoked without an instance of an object. They provide the ability to execute methods in a manner similar to C functions. Utility functions that do not depend on the internal state of a class instance are often implemented as static methods. Application global factory methods are also often implemented as static methods, although it is probably more appropriate to implement them as non-static methods in a factory object for which theapplication retains a static reference.

Examples of static methods in the Java core APIs include “Thread.sleep()” and all of the methods in”java.lang.System.”


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