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2025-01-25 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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This article mainly shows you the "what are the differences between final and static keywords", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn "what are the differences between final and static keywords" this article.
Can modify classes, methods, and member variables.
Static can modify the code block of a class, but final cannot.
Static cannot modify local variables within a method, but final can.
Static modifiers represent static or global. The modified properties and methods belong to the class and can be named by the class. Static property / method name access
The static-decorated code block represents a static code block, which is executed only once when the Java virtual machine (JVM) loads the class.
Static-modified properties, that is, class variables, are created and initialized when the class is loaded, and will only be created once
Variables modified by static can be reassigned
This and super keywords cannot be used in static methods
The static method must be implemented, not an abstract abstract
The static method can only be overridden by the static method to denote a constant and cannot be changed once created.
Member variables of final tags must be assigned at the same time as they are declared, or in the constructor of the class, and cannot be reassigned.
Final methods cannot be overridden by subclasses
The final class cannot be inherited, there are no subclasses, and the methods in the final class are final by default
Final cannot be used to modify constructors
Methods of type private default to those of type final
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