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Why you use main method when you can use static method?
The main method is called by the jvm when your program is executed. The main method is a static method: public static void main(String[] args) {} A static method is method that can be run without instantiate the class (creating an object from it) The main method is a static method. No other static method could replace it's functionality. PS By static method do you mean static initialiser? I often use static initialisers instead of a main method, but in these cases you must still have a main method, albeit an empty one ie. public static void main(String[] args) {} Notice that the method has an empty body A main method must be used if you intend to accept parameters at run time from the jvm.
Why using the name main for main method in java?
If you run an java file(as an .class or .jar file) there's always 1 method being called: The main(String[] args) method.The method is only called once.Example of an main method:public static void main(String args[]) throws IOException {LoggingBootstrap.bootstrap();gui = new GUI();}In this case it only bootstraps the logger and uses the constuctor method of GUI(the graphical user interface of the program)
What does public mean in java?
The keyword public is an access specifier. A variable or a method that is declared public is publicly accessible to any member of the project. Any class or method can freely access other public methods and variables of another class.
What does it mean to run a program?
In computer terminology, "running a program" means copying a sequence of instructions from storage into main memory and initiating the execution or interpretation of those instructions.
How do you create a concrete method inside abstract class?
The same way you create a concrete method in a concrete class. When a class is abstract, it can contain abstract methods. That doesn't mean that all methods must be abstract. Hope this helps.
A java program to find the mean of n numbers?
Call this method in your main method: public static double average(int n) { double total=0; double in3=0; Scanner input= new Scanner(System.in); int cntr=0; while(cntr<n) { in3=input.nextInt(); total+=in3; ++cntr; } return total/n; Good Luck!
Why no need of main in servlet?
I think you mean: why isn't there a function required in a servlet like the following? public static void main(String[] args) { } Because the main() method is what the Java VM 'boots up' into...it's the first thing the JVM executes. A servlet, however, is running inside a servlet container (e.g., Tomcat), which is running inside a JVM. *That* JVM gets started with a main() method, but unless you intend to run your servlet from the commandline, there's no explicit need for a main() method.
What does 'SpongeBob' mean?
SpongeBob is the main characters name who is a sponge in the animated tv program SpongeBob SquarePants.
What does the hashtag mean in programming?
In programming, specifically in C and C++, the hashtag (#) is used to include files into the main program and to create macros.
What is the Difference between branch and franchise?
branch mean branch direct to main office control but franchise is associate (dealer ship) method.
.What does TV 14 DLV mean?
TV-14-DLV means this program contain some material may be unsuitable for children under the age of 14 this program mean that the program contain L coruse language V interse violence D suggestive dialogue.
What does pay method mean?
what does pay method means
