// School2.java
// contains some people
// This class breaks encapsulation by getting an array, which is really a pointer, from a Person object
import javax.swing.JOptionPane;

public class school {

   public static void main( String args[] )
   {
      Person2 joe = new Person2();  // calls Person constructor
      Person2 jane = new Person2();  // calls Person constructor

      // append String version of time to String output
      String output = "Before initializing Joe. \nJoe's first name is:  " +
         joe.getFirst() + "\nJoe's last name is:  " +
         joe.getLast() + "\nJoe's age is:  " + joe.getAge() ;
      int joeClasses[];
      joeClasses = joe.getClasses();
      output += "\nJoe's classes are:";
      for (int i = 0; i < joe.getNumClasses(); i++)  {
	 output += "\t " + joeClasses[i];
      }

      // change Joe's name and add classes
      joe.setFirst("Joe"); 
      joe.setLast("Brown"); 
      joe.setAge(25);
      joe.addClass(312101);
      joe.addClass(309130);
      joe.addClass(340112);
      output += "\n\nJoe's first name after changing is: " + 
         joe.getFirst() + "\nJoe's last name is:  " +
         joe.getLast() + "\nJoe's age is:  " + joe.getAge(); 
      output += "\nJoe's classes are:";
      // this works because joeClasses is a pointer to what joe.getClasses() returns!
      // Note how encapsulation is broken!
      for (int i = 0; i < joe.getNumClasses(); i++)  {
	 output += "\t " + joeClasses[i];
      }
      // see what happens!  Encapsulation is broken!
      joeClasses[5] = 9992222;
      output += "\n5th index is: " + joe.getClass(5);

      // change Jane's name and add classes
      jane.setFirst("Jane"); 
      jane.setLast("Jones"); 
      jane.setAge(21);
      jane.addClass(212101);
      jane.addClass(209130);
      jane.addClass(240112);
      output += "\n\nJane's first name after changing is: " + 
         jane.getFirst() + "\nJane's last name is:  " +
         jane.getLast() + "\nJane's age is:  " + jane.getAge(); 
      output += "\nJane's classes are:";

      int janeClasses[];
      janeClasses = jane.getClasses();
      for (int i = 0; i < jane.getNumClasses(); i++)  {
	 output += "\t " + janeClasses[i];
      }

      JOptionPane.showMessageDialog( null, output,
         "Testing Class Time1", JOptionPane.INFORMATION_MESSAGE );

      System.exit( 0 );

   } // end main

} // end class TimeTest1


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 * (C) Copyright 1992-2003 by Deitel & Associates, Inc. and               *
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