import java.util.Scanner;

/** 
 * This class contains the first method that we are writing.
 */
public class VoidMethod {
  /**
   * main simply will call our method
   */
  public static void main(String[] args)   {
    System.out.println("Hello World from main (before method call)");
    for (int i=0;i<3;i++)
         sayHello();
    System.out.println("In main, returned from method.");
  }
  
  /**
   * sayHello prints "Hello World" to the screen
   */
  public static void sayHello()   {
    System.out.println("Hello World from inside a method!");
    Scanner sc=new scanner(System.in);
    boolean ans=sc.next();
    if (ans)
        deeperMsg(); // this is a method call
  }
  
  /**
   * deeperMsg gets called from displayMsg
   */
  public static void deeperMsg()   {
    System.out.println("Hello World from inside a deeper method!");
  }
}