/* 10/7/2019
 * 1. Demonstrated 2 methods, and showed how the system STACK
 * keeps track of method calls and returns.
 * 
 * 2. We showed how a method call can appear inside a LOOP.
 */

public class HelloWorld {
  
  public static void main(String[] args) {
    // method call transfers control to the method
    for (int i=0; i<5; i++) {
        printHello();
    }
    System.out.println("main is returning");
  }
  /** method printHello displays Hello World! to the screen
    * it has no parameters and returns void
    */
  public static void printHello() {
    System.out.println("Hello World!"); 
    printGoodbye();
    System.out.println("finished method printHello, returning");
  }
  /** method printGoodBye displays Good bye! to the screen
    * it has no parameters and returns void
    */
  public static void printGoodbye() {
    System.out.println("Good bye!"); 
  }  
}