done

Pet.java

@@ -0,0 +1,9 @@
+
+public class Pet
+{
+   private String name; 
+   public Pet(String name){
+    this.name = name;
+    }
+    
+}

TicketMachine.java

@@ -1,38 +1,34 @@
-/**
- * TicketMachine models a naive ticket machine that issues
- * flat-fare tickets.
- * The price of a ticket is specified via the constructor.
- * It is a naive machine in the sense that it trusts its users
- * to insert enough money before trying to print a ticket.
- * It also assumes that users enter sensible amounts.
- *
- * @author David J. Barnes and Michael Kolling
- * @version 2008.03.30
- */
+
 public class TicketMachine
 {
-    // The price of a ticket from this machine.
+    
     private int price;
-    // The amount of money entered by a customer so far.
+    
     private int balance;
-    // The total amount of money collected by this machine.
+    
     private int total;
-
+    
+    private int score;
     /**
      * 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.
-     */
+    
+    public TicketMachine(int ticketCost){}
+    
+    
+    public void setPrie(int ticketCost){
+       price = ticketCost;
+    }
+    
+   
     public int getPrice()
     {
         return price;
@@ -47,6 +43,23 @@ public class TicketMachine
         return balance;
     }
 
+    public void increase(int points){
+        score = score + points;
+    }
+    
+    public void discount(int amount){
+    
+        price = price - amount;
+    }
+    
+    public void promot(){
+        System.out.println("Please insert the correct amount of money.");
+    }
+    
+    public void showPrice(){
+        System.out.println("The price of a ticke is" + price + "cents");
+    }
+    
     /**
      * Receive an amount of money in cents from a customer.
      */
@@ -54,7 +67,15 @@ public class TicketMachine
     {
         balance = balance + amount;
     }
-
+    
+    public int getTotal(int amount){
+    return total;
+    }
+    
+    public void empty(){
+        total = 0;
+    }
+    
     /**
      * Print a ticket.
      * Update the total collected and

bluej.pkg

@@ -1,20 +1,20 @@
 #BlueJ package file
-editor.fx.0.height=722
+editor.fx.0.height=709
 editor.fx.0.width=800
-editor.fx.0.x=709
-editor.fx.0.y=113
-objectbench.height=101
-objectbench.width=461
+editor.fx.0.x=179
+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.x=480
 package.editor.y=119
 package.frame.height=600
 package.frame.width=800
 package.numDependencies=0
-package.numTargets=1
+package.numTargets=2
 package.showExtends=true
 package.showUses=true
 project.charset=UTF-8
@@ -30,3 +30,10 @@ target1.type=ClassTarget
 target1.width=120
 target1.x=80
 target1.y=50
+target2.height=50
+target2.name=Pet
+target2.showInterface=false
+target2.type=ClassTarget
+target2.width=80
+target2.x=77
+target2.y=138

package.bluej

@@ -1,20 +1,20 @@
 #BlueJ package file
-editor.fx.0.height=722
+editor.fx.0.height=709
 editor.fx.0.width=800
-editor.fx.0.x=709
-editor.fx.0.y=113
-objectbench.height=101
-objectbench.width=461
+editor.fx.0.x=179
+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.x=480
 package.editor.y=119
 package.frame.height=600
 package.frame.width=800
 package.numDependencies=0
-package.numTargets=1
+package.numTargets=2
 package.showExtends=true
 package.showUses=true
 project.charset=UTF-8
@@ -30,3 +30,10 @@ target1.type=ClassTarget
 target1.width=120
 target1.x=80
 target1.y=50
+target2.height=50
+target2.name=Pet
+target2.showInterface=false
+target2.type=ClassTarget
+target2.width=80
+target2.x=77
+target2.y=138