What is method in java??

Method is also called as function in C/C++, but there are many differences between java and c++.

Method: A method is a group of statements or collection of statements are grouped to perform actions as well as operations. As you know that main method is also a method in java program that is called by the JVM.

A method can be called by two ways :

1. The first way is to creating object of class that belongs to the method .
2. The second  way is , by declaring as static method .

To know about the static keyword click me..😄😄

Syntax of a method :

public static int methodname(int a )

{

// This is the body to perform action as you like

}

The syntax contains:

 public static: This portion called as modifier , so the question arises what is modifier.

int: It is return type to return some value.

methodname: methodname is the name to call it by using it name.

int a : It is the parameter of method .

and the last thing is the body of that method to perform different type of actions.

you can say that :

modifier returntype methodname (parameter)

{//body}

So lets take an example of method:

class number

{

public static void main(String as[])

{

System.out.println("This is main");

show();

}

public static void show()    //I used static keyword otherwise it will throw error.

{System.out.println("This is show");}

}

Output :

This is main

This is show

If you compile this program you will get an error because static member based on rules

"A non-static method cannot be referenced from static context"

So you must use static keyword other wise you will use that method by creating object of that class 

like :

class number

{

public static void main(String as[])

{

System.out.println("This is main");

number m=new number();

m.show();  //calling method by creating object of that class

}

public static void show()    //I used static keyword otherwise it will throw error.

{System.out.println("This is show method");}

}

The output is same as above appear , this is the second way to call method by using object of class.

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