Why we use public static void in Java?

Why we use public static void in Java?

When java runtime starts, there is no object of the class present. That’s why the main method has to be static so that JVM can load the class into memory and call the main method. If the main method won’t be static, JVM would not be able to call it because there is no object of the class is present.

What is the difference between static void and public static void?

It means three things. First public means that any other object can access it. static means that the class in which it resides doesn’t have to be instantiated first before the function can be called. void means that the function does not return a value.

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What is static void?

static void method is a static method which does not return any thing. Static method can be called by directly by class name. void method is a method which also return nothing. But for calling simple method you have to create a class object and called method by object.

What does it mean public static void main String args?

public static void main(String args[]) public : accessible in whole program/ its scope is in complete program static: there is no need to create object/instance of this main function to access it. void: function can’t return value main: this is main function where compiler starts the execution first.

What is the difference between public static void and public void in Java?

It’s three completely different things: public means that the method is visible and can be called from other objects of other types. This means that you can call a static method without creating an object of the class. void means that the method has no return value.

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What does public static void do?

public means that the method is visible and can be called from other objects of other types. This means that you can call a static method without creating an object of the class. void means that the method has no return value.

What happens if you write static public void instead of public static void?

If you write static public void instead of public static void then it is perfectly OK. Your Java program will compile and run successfully. When a method’s return type is void it returns nothing. main : It is the name of the method, main method is searched by JVM as an entry point to start running the program.

What is the difference between static and public in Java?

public : It is an access specifier, which defines who can access this method. public access means this method can be accessed by any class (if other classes are able to access this class, in which the public method is defined). static : It is a keyword that makes sure that statically declared method is class level.

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What is private void and public void?

It’s three completely different things: public means that the method is visible and can be called from other objects of other types. Other alternatives are private, protected, package and package-private. void means that the method has no return value. If the method returned an int you would write int instead of void.