what is the difference between final and static?
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static means there is only one copy of the variable in memory shared by all instances of the class. The final keyword just means the value can't be changed. Without final , any object can change the value of the variable.
735743
In Java, static method calls are fully resolved at compilation time, which means that the actual runtime class of the object cannot be known. The compiler will call the method implementation defined in the declared class of the object being used to call the static method.
1348909
The key difference between the two is that with static type checking, the type of variable is known at compile time (it checks the type of variable before running) while with dynamic type checking, the type of variable is known at runtime (it checks the type of variable while executing).
1005816
int is a datatype for a variable storing integer values. static int is a variable storing integer values which is declared static. ... But if we declare an int variable in a function also as static, then that variable will not get destroyed as the function ends and will not get destroyed until the program ends.
1080594
const is the PHP equivalent to a Java final variable. They don't have anything at all in common, and they create completely different kinds of things. const declares a constant. final static declares a method which is static (can be called without an instance of the class) and final (can't be overridden by subclasses).
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A local static variable is a variable that can maintain its value from one function call to another and it will exist until the program ends. ... A global static variable is one that can only be accessed in the file where it is created.
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A static method can access the static member of the class and can only be invoked by other static methods. On the other hand, the final method can never be inherited by any class. Static block is used to initialize the static variables whereas, final keyword does not support any block.
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Static binding happens at compile-time while dynamic binding happens at runtime. Binding of private, static and final methods always happen at compile time since these methods cannot be overridden.
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Global and static variables are initialized to their default values because it is in the C or C++ standards and it is free to assign a value by zero at compile time. Both static and global variable behave same to the generated object code.
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Constant is just a constant, i.e. you can't change its value after declaring. Static variable is accessible without making an instance of a class and therefore shared between all the instances of a class.
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Difference between static and final method in java. Static methods can be overriden, but they cannot be overriden to be non-static,Whereas final methods cannot be overridden. A static method is a method that's invoked through a class, rather than a specific object of that class.
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Lets discuss the difference between static and dynamic binding in Java. Static binding happens at compile-time while dynamic binding happens at runtime. ... The binding of overloaded methods is static and the binding of overridden methods is dynamic.
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final means that you can't change the object's reference to point to another reference or another object, but you can still mutate its state (using setter methods e.g). Whereas immutable means that the object's actual value can't be changed, but you can change its reference to another one.
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Static arrays, sometimes simply called arrays, are allocated with a fixed size while dynamic arrays increase their size when an insertion occurs and the array currently has no space for the new value. Dynamic arrays are not the same as dynamically allocated static arrays.
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Difference between Enums and Classes The only difference is that enum constants are public , static and final (unchangeable - cannot be overridden). An enum cannot be used to create objects, and it cannot extend other classes (but it can implement interfaces).
680026
A static class is similar to a class that is both abstract and sealed. The difference between a static class and a non-static class is that a static class cannot be instantiated or inherited and that all of the members of the class are static in nature.
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Final is used to apply restrictions on class, method and variable. ... Final class can't be inherited, final method can't be overridden and final variable value can't be changed. Finally is used to place important code, it will be executed whether exception is handled or not.