[General Java help]

public class MyClass {

                  public static void main (String[] args) {

                                    int x = 5;

                                    addOneTo(x);

                                    System.out.println(x);

                  }

 

                  static void addOneTo (int num) {

                               //You have to pre increment to see the result after referencing x

                                    ++num;

                  }

}