public class HelloWorld{

// Simple method non-static that returns int 1

public int getInt(int number){

return number+1;

}

// takes an Integer and returns its double

public static int getDoubleOfInt(int number){

return number*2;

}

// create a method called stringToInt that

// takes a String as argument and returns its int conversion

public static int stringToInt(String myStringArgument){

return Integer.parseInt(myStringArgument);

}

//Main Method w/ helloWorld

public static void main (String args []){

// Starting an int

int myArgument;

// Instantiating a new classroom using the empty constructor

Classroom ourClassroom = new Classroom();

// Calling the getter from Classroom

System.out.println(ourClassroom.getNumberOfStudents());

// Calling my static method that transforms a String into Int

myArgument = stringToInt(args[0]);

// Calling my static method that returns the double of an int

System.out.println(getDoubleOfInt(myArgument));

System.out.println("Hello World");

}

}