complete

Book.java

@@ -0,0 +1,92 @@
+
+/**
+ * Write a description of class Book here.
+ *
+ * @author (your name)
+ * @version (a version number or a date)
+ */
+public class Book
+{
+    // instance variables - replace the example below with your own
+    private String author;
+    private String title;
+    private int pages;
+    private String refNumber;
+    private int borrowed;
+
+    /**
+     * Constructor for objects of class Book
+     */
+    public Book(String bookAuthor, String bookTitle, int bookPages)
+    {
+        // initialise instance variables
+        author = bookAuthor;
+        title = bookTitle;
+        pages = bookPages;
+        refNumber = "";
+        borrow();
+    }
+    
+    public void borrow(){
+        borrowed++;
+    }
+    
+    public int getBorrow(){
+        return borrowed;
+    }
+    
+    public void setRefNumber(String ref){
+        
+        if(ref.length()>=3){
+          refNumber = ref;
+        } else {
+           System.out.println("Reference must be at least 3 characters."); 
+        }
+    }
+    
+    public String getRefNumber(){
+        
+        return refNumber;
+        
+    }
+
+    /**
+     * An example of a method - replace this comment with your own
+     *
+     * @param  y  a sample parameter for a method
+     * @return    the sum of x and y
+     */
+    public String printAuthor()
+    {
+        // put your code here
+        return author;
+    }
+    
+    public int printPages()
+    {
+        // put your code here
+        return pages;
+    }
+    
+    public String printTitle()
+    {
+        // put your code here
+        return title;
+    }
+    
+    public void printDetails(){
+        
+      System.out.println("The title is : " + title);
+      System.out.println("The author is : " + author);
+      System.out.println("There are " + pages + " pages");
+      if (refNumber.length()==0){
+         System.out.println("ZZZ"); 
+        } else {
+         System.out.println("The reference number is " + refNumber);   
+        }
+     
+
+    }
+}
+    
+

Heater.java

@@ -0,0 +1,58 @@
+
+/**
+ * Write a description of class Heater here.
+ *
+ * @author (your name)
+ * @version (a version number or a date)
+ */
+public class Heater
+{
+    // instance variables - replace the example below with your own
+    private int temperature;
+    private int min;
+    private int max;
+    private int increment;
+
+    /**
+     * Constructor for objects of class Heater
+     */
+    public Heater(int minimum, int maximum)
+    {
+        // initialise instance variables
+        temperature = 15;
+        min = minimum;
+        max = maximum;
+        increment = 5;
+        
+    }
+    
+    public void setIncrement (int newIncrement){
+        if (newIncrement>0){
+        increment = newIncrement;
+    } else {
+        System.out.println("error");
+    }
+    }
+
+    /**
+     * An example of a method - replace this comment with your own
+     *
+     * @param  y  a sample parameter for a method
+     * @return    the sum of x and y
+     */
+    public void warmer()
+    {
+        // put your code here
+        temperature+=5;
+    }
+    
+    public void cooler(){
+        temperature-=5;
+    }
+    
+    public int getTemperature(){
+        return temperature;
+    }
+        
+        
+}

Person.java

@@ -0,0 +1,58 @@
+
+/**
+ * Write a description of class Person here.
+ *
+ * @author (your name)
+ * @version (a version number or a date)
+ */
+public class Person
+{
+    // instance variables - replace the example below with your own
+    private String name;
+    private int age;
+    private String code;
+    private int credits;
+
+    /**
+     * Constructor for objects of class Person
+     */
+    public Person(String myName, int myAge)
+    {
+        // initialise instance variables
+        name = myName;
+        age = myAge;
+    }
+    
+    /*
+     * public Module(String moduleCode){
+     *     
+     *     code = moduleCode;
+     *     
+     *     }
+     */
+
+    /*
+     * An example of a method - replace this comment with your own
+     *
+     * @param  y  a sample parameter for a method
+     * @return    the sum of x and y
+     */
+    public String getName()
+    {
+        // put your code here
+        return name;
+    }
+    
+    public void setAge(int newAge)
+    {
+        // put your code here
+        age = newAge;
+    }
+    
+    public String printDetails()
+    {
+        // put your code here
+        return "The name of this person is "+ name;
+    }
+    
+}

TicketMachine.java

@@ -17,18 +17,61 @@ public class TicketMachine
     private int balance;
     // The total amount of money collected by this machine.
     private int total;
+    // yumhohum
+    private int status;
+    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;
+    }
+
+    public TicketMachine(int ticketPrice)
+    {
+        price = ticketPrice;
         balance = 0;
         total = 0;
     }
+    // saving = price * discount;
+    // mean = total/count;
+    //if (price>budget){return "Too expensive, budget is :"+budget;}else {return "Just right";}
+    //
+    /**
+     * Empties money in the machine
+     */
+
+    public int emptyMachine(){
+        total = 0;
+        return total;
+    }
+
+    /**
+     * Increase score by the given number of points.
+     */
+    public void increase(int points){
+        score += points; 
+    }
+
+    /**
+     * Reduce price by the given amount.
+     */
+    public void discount(int amount){
+        price-=amount;
+    }
+
+    /**
+     * Set price of ticket.
+     */
+    public void setPrice(int ticketCost){
+        price = ticketCost;
+    }
 
     /**
      * Return the price of a ticket.
@@ -48,11 +91,24 @@ public class TicketMachine
     }
 
     /**
+     * Return the total.
+     */
+    public int getTotal(){
+        return total;  
+    }
+
+    /**
      * Receive an amount of money in cents from a customer.
      */
     public void insertMoney(int amount)
     {
-        balance = balance + amount;
+        if(amount > 0) {
+            balance = balance + amount;
+        }
+        else {
+            System.out.println("Use a positive amount: " +
+                amount);
+        }
     }
 
     /**
@@ -62,17 +118,51 @@ public class TicketMachine
      */
     public void printTicket()
     {
+        int amountLeftToPay = price - balance;
+       
         // Simulate the printing of a ticket.
-        System.out.println("##################");
-        System.out.println("# The BlueJ Line");
-        System.out.println("# Ticket");
-        System.out.println("# " + price + " cents.");
-        System.out.println("##################");
-        System.out.println();
-
-        // Update the total collected with the balance.
-        total = total + balance;
-        // Clear the balance.
-        balance = 0;
+        if (amountLeftToPay<=0){
+            System.out.println("##################");
+            System.out.println("# The BlueJ Line");
+            System.out.println("# Ticket");
+            System.out.println("# " + price + " cents.");
+            System.out.println("##################");
+            System.out.println();
+
+            // Update the total collected with the balance.
+            total = total + balance;
+            // Clear the balance.
+            balance = balance-price;
+        }else {
+            System.out.println("You must insert at least: " +
+                amountLeftToPay+ " cents.");
+        }
+    }
+
+    public int refundBalance() {
+        int amountToRefund = balance;
+        //amountToRefund = balance; 
+        //balance = 0;
+
+        return amountToRefund;
+        // balance = 0; anything after return is unreachable
+    }
+
+    /**
+     * Print price of tickets
+     */
+
+    public void showPrice(){
+        System.out.println("The price of a ticket is " + price + " cents.");
+
+    }
+
+    /**
+     * Print instructions for amount of money
+     */
+
+    public void prompt(){
+        System.out.println("Please insert the correct amount of money.");
+
     }
 }

bluej.pkg

@@ -1,16 +1,16 @@
 #BlueJ package file
-editor.fx.0.height=722
+editor.fx.0.height=714
 editor.fx.0.width=800
-editor.fx.0.x=709
-editor.fx.0.y=113
+editor.fx.0.x=689
+editor.fx.0.y=23
 objectbench.height=101
-objectbench.width=461
+objectbench.width=776
 package.divider.horizontal=0.6
 package.divider.vertical=0.8007380073800738
 package.editor.height=427
 package.editor.width=674
-package.editor.x=1067
-package.editor.y=119
+package.editor.x=144
+package.editor.y=177
 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.height=714
 editor.fx.0.width=800
-editor.fx.0.x=709
-editor.fx.0.y=113
+editor.fx.0.x=689
+editor.fx.0.y=23
 objectbench.height=101
-objectbench.width=461
+objectbench.width=776
 package.divider.horizontal=0.6
 package.divider.vertical=0.8007380073800738
 package.editor.height=427
 package.editor.width=674
-package.editor.x=1067
-package.editor.y=119
+package.editor.x=144
+package.editor.y=177
 package.frame.height=600
 package.frame.width=800
 package.numDependencies=0