What Is Difference Between Public Static And Void?

What is the difference between public and static?

Static methods need to have no effect on the state of the object.

They can have local variables in addition to the parameters.

public: Public declared items can be accessed everywhere.

protected: Protected limits access to inherited and parent classes (and to the class that defines the item)..

What does public static void main mean?

Every word in the public static void main statement has got a meaning to the JVM. Public: It is an Access modifier, which specifies from where and who can access the method. … As main() method doesn’t return anything, its return type is void. As soon as the main() method terminates, the java program terminates too.

What will happen if we 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. … You need not to create an instance of the given class in order to access its static members. void : It is used to specify return type of the method.

What is public void?

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. If the method returned an int you would write int instead of void .

Is public void a class?

Void means it returns nothing. Public means the method is accessible by any class in any package. A class is a collection of methods and data. Public means that the class can be accessed by any other class in any package.

What is the use of void keyword?

When used as a function return type, the void keyword specifies that the function does not return a value. When used for a function’s parameter list, void specifies that the function takes no parameters. When used in the declaration of a pointer, void specifies that the pointer is “universal.”

What is public static function in PHP?

static can also be used to define static variables and for late static bindings. … Declaring class properties or methods as static makes them accessible without needing an instantiation of the class. A property declared as static cannot be accessed with an instantiated class object (though a static method can).

When would you use a static method?

You should use static methods whenever,The code in the method is not dependent on instance creation and is not using any instance variable.A particular piece of code is to be shared by all the instance methods.The definition of the method should not be changed or overridden.More items…•

What is public static in public static void main () called?

Public- it is access specifier from anywhere we can access it Static- it is access modifier we can call the methods directly by class name without creating its objects Void- it is the return type Main- it is a method name String[]args- in java we accept only the string type of argument and store it.

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

public is an access specifier defining that it can be accessed by any of the classes be it in the same project same/other class, or other project classes. static means that the method is associated with the class, not a specific instance (object) of that class. … void means that the method has no return value.

What is Java void?

void is a Java keyword. Used at method declaration and definition to specify that the method does not return any type, the method returns void .

What is private static void?

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. … 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.

Can we write static public void main String [] args )?

Java main method is the entry point of any java program. Its syntax is always public static void main(String[] args) . You can only change the name of String array argument, for example you can change args to myStringArgs . Also String array argument can be written as String…

What does string [] args mean?

String[] args means an array of sequence of characters (Strings) that are passed to the “main” function. This happens when a program is executed. Example when you execute a Java program via the command line: java MyProgram This is just a test.

Why static methods Cannot be overridden?

Static methods cannot be overridden because they are not dispatched on the object instance at runtime. The compiler decides which method gets called. Static methods can be overloaded (meaning that you can have the same method name for several methods as long as they have different parameter types).