The void keyword in Java programming language

In this tutorial, we will discuss The void keyword in java programming language

The void keyword is a Java keyword. This keyword allows us to create methods which do not return a value. Which means void is a special type of keyword in Java as a void keyword does not return value unlike int, double, float etc at method declaration.

Declaration

Syntax of the void keyword

return _type method_name(){
    //statement(s)
}

Example

Example of a void method

void add(){
   //statement(s)
}

Above method is a void method as it does not return any value to the main method.

Example void method within the class

public class Example _void{  // this is a class in java
public static void main(String args[]){
}
public void add(){  // this is a void method. It does not produce return value;
}
}

Program 1

public class voidEx{
    public static void main (String args[]){
        my_age(50);
    }
     static void my_age(int age){
        System.out.println("My age is :"+age);
//No return
}
}

When the above code is executed, it produces the following results