CS100, Spring 2000, Exercise 5: Don't Box Me In!
Due at the beginning of lecture on Tuesday, March 7 
      
Name: William the Conqueror
  ID: 001066

(a) Fill in the blanks and boxes below to match the comments.

class Parthon {

    String name;
    ________________________________________ ; // name of the Parthon

    Parthon parent;
    ________________________________________ ; // parent of the Parthon
}

public class Exercise5 {
    public static void main(String[] args) {
    
           Parthon ur;
        
            +-------------------------------------+
            |                                     |
            | ur = new Parthon();                 |  //  Ani 
            | ur.name = "Ur";                     |  //   |  
            | ur.parent = new Parthon();          |  //   |  
            | ur.parent.name = "Naj";             |  //  Naj 
            | ur.parent.parent = new Parthon();   |  //   |  
            | ur.parent.parent.name = "Ani";      |  //   |  
            |                                     |  //  Ur  
            +-------------------------------------+

        // ******* draw the Box diagram for this point in the program *******

    } // method main
} // class Parthon

(b) Draw the requested box diagram.

class Exercise5    class Parthon 
+---------------+  +----------------------------------------------------------+
| main(args)    |  |                                                          |
| +-----------+ |  |                                                          |
| |      +--+ | |  |                                                          |
| | args |  | | |  |                                       +--------------+   |
| |      +--+ | |  |                                       |              |   |
| |           | |  |  +-------------+    +-------------+   |  +-----------+-+ |
| |      +--+ | |  |  |             |    |             |   |  |           | | |
| | ur   | *+-+-+--+->|        +--+ |    |        +--+ |   |  |       +--+| | |
| |      +--+ | |  |  | name   | *+-+-+  | name   | *+-+-+ |  | name  | *++ | |
| |           | |  |  |        +--+ | |  |        +--+ | | |  |       +--+  | |
| +-----------+ |  |  |             | |  |             | | |  |             | |
|               |  |  |        +--+ | |  |        +--+ | | |  |       +----+| |
+---------------+  |  | parent | *+-+-+->| parent | *+-+-+-+->| parent|null|| |
                   |  |        +--+ | |  |        +--+ | | |  |       +----+| |
class String       |  |             | |  |             | | |  |             | |
+---------------+  |  +-------------+ |  +-------------+ | |  +-------------+ |
|               |  |                  |                  | |                  |
|  "Ur" <-------+--+------------------+                  | |                  |
|               |  |                                     | |                  |
|  "Naj"<-------+--+-------------------------------------+ |                  |
|               |  |                                       |                  |
|  "Ani"<-------+--+---------------------------------------+                  |
|               |  |                                                          |
+---------------+  +----------------------------------------------------------+