No. It is a user defined function which the person who is creating the java class has to code by himself.
yes
The Java Runtime Environment invokes main methods.
public class Hello{//opens the classpublic static void main(String args[]){//opens the main methodSystem.out.println("Hello World");}//closes the main method}//closes the classNote: The compiler all the sentences that have "//" before them.
Java's main function denotes the entry point into the execution of your program.
no
Guess you meant: can a recursive function call predefined functions? Answer: sure, why not.
The main function. Every program must have a main function and it must be declared static.
Predefined functions are built-in functions that perform standard operations and that generally do not depend on any classes. A predefined void function is simply a predefined function that has no return value. An example of a predefined void function is the abort() function which typically has the following signature: void abort(void);
That won't happen, you have to have a predefined putpixel (or something like that) function.
No. Java classes in web applications do not have Main Methods.
it is predefined function
Not necessary, there is a predefined 'pow' function.