While performing main(), what is the value of doubleValue at XXX? public static int doubleTheValue(int val) {    int doubleValue;    doubleValue= val * 2;    return doubleValue; }    public static void main(String args[]) {    int result;    result = doubleTheValue(4);    XXX }     Answers 1) 4 2) not defined 3) 8 4) 0

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Declaring and Defining the function

A set of statements, which performs a particular task is called a function. The program gains modularity by using function. The application is quite easy to understand, read, and edit when they are created with functions. The developer/programmer creates a function and uses main() to call the function. Once the function gets executed, the control is transferred to the main program.