finished

TicketMachine.java

@@ -17,18 +17,27 @@ public class TicketMachine
     private int balance;
     // The total amount of money collected by this machine.
     private int total;
-
+    // Excersise 2.15.
+    private int status;
+    
+    public TicketMachine(int amount) {
+        price = amount;
+        balance = 0;
+        total = 0;
+    }
+    
     /**
      * Create a machine that issues tickets of the given price.
      * Note that the price must be greater than zero, and there
      * are no checks to ensure this.
      */
-    public TicketMachine(int ticketCost)
+    public TicketMachine()
     {
-        price = ticketCost;
+        price = 1000;
         balance = 0;
         total = 0;
     }
+    
 
     /**
      * Return the price of a ticket.
@@ -46,6 +55,17 @@ public class TicketMachine
     {
         return balance;
     }
+    
+    // Excercise 2.24
+    public int getTotal()
+    {
+        return total;
+    }
+    
+    // Excercise 2.30 + 2.41
+    public void setPrice(int amount) {
+        price = amount;
+    }
 
     /**
      * Receive an amount of money in cents from a customer.
@@ -55,6 +75,18 @@ public class TicketMachine
         balance = balance + amount;
     }
 
+    // Excercise 2.33
+    public void prompt()
+    {
+        System.out.println("Please insert the correct amount of money.");
+    }
+    
+    // Excercise 2.34
+    public void showPrice()
+    {
+        System.out.println("The price of a ticket is " + price + " cents.");
+    }
+    
     /**
      * Print a ticket.
      * Update the total collected and
@@ -75,4 +107,10 @@ public class TicketMachine
         // Clear the balance.
         balance = 0;
     }
+    
+    // Excercise 2.40
+    public void empty()
+    {
+        total = 0;
+    }
 }

bluej.pkg

@@ -1,16 +1,16 @@
 #BlueJ package file
-editor.fx.0.height=722
-editor.fx.0.width=800
-editor.fx.0.x=709
-editor.fx.0.y=113
-objectbench.height=101
-objectbench.width=461
+editor.fx.0.height=777
+editor.fx.0.width=640
+editor.fx.0.x=640
+editor.fx.0.y=23
+objectbench.height=164
+objectbench.width=776
 package.divider.horizontal=0.6
-package.divider.vertical=0.8007380073800738
-package.editor.height=427
+package.divider.vertical=0.6845018450184502
+package.editor.height=364
 package.editor.width=674
-package.editor.x=1067
-package.editor.y=119
+package.editor.x=576
+package.editor.y=89
 package.frame.height=600
 package.frame.width=800
 package.numDependencies=0

package.bluej

@@ -1,16 +1,16 @@
 #BlueJ package file
-editor.fx.0.height=722
-editor.fx.0.width=800
-editor.fx.0.x=709
-editor.fx.0.y=113
-objectbench.height=101
-objectbench.width=461
+editor.fx.0.height=777
+editor.fx.0.width=640
+editor.fx.0.x=640
+editor.fx.0.y=23
+objectbench.height=164
+objectbench.width=776
 package.divider.horizontal=0.6
-package.divider.vertical=0.8007380073800738
-package.editor.height=427
+package.divider.vertical=0.6845018450184502
+package.editor.height=364
 package.editor.width=674
-package.editor.x=1067
-package.editor.y=119
+package.editor.x=576
+package.editor.y=89
 package.frame.height=600
 package.frame.width=800
 package.numDependencies=0