first commit

Semester 1/Programming 1/Week 3/Homework 1/House.ctxt

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+#BlueJ class context
+comment0.params=
+comment0.target=void\ test()
+comment1.params=type\ homeAddress\ initPrice\ energyRating\ taxBand\ garage
+comment1.target=House(java.lang.String,\ java.lang.String,\ int,\ int,\ char,\ boolean)
+comment1.text=\n\ Constructor\ for\ objects\ of\ class\ House\n
+comment10.params=
+comment10.target=java.lang.String\ getOwner()
+comment10.text=\n\ Returns\ the\ value\ of\ @owner\n
+comment11.params=
+comment11.target=int\ getNumberOfOwners()
+comment11.text=\n\ Returns\ the\ value\ of\ @numberOfOwners\n
+comment12.params=type
+comment12.target=void\ setType(java.lang.String)
+comment12.text=\n\ Set\ @typeOfHouse\ to\ a\ user-input\ value\n
+comment13.params=newAddress
+comment13.target=void\ setAddress(java.lang.String)
+comment13.text=\n\ Set\ @address\ to\ a\ user-input\ value\n
+comment14.params=newBand
+comment14.target=void\ setCouncilTaxBand(char)
+comment14.text=\n\ Set\ @councilTaxBand\ to\ a\ user-input\ value\n
+comment15.params=garage
+comment15.target=void\ setGarage(boolean)
+comment15.text=\n\ Set\ @hasGarage\ to\ a\ user-input\ value\n
+comment16.params=newOwner
+comment16.target=void\ setOwner(java.lang.String)
+comment16.text=\n\ Set\ @owner\ to\ a\ user-input\ value\n
+comment17.params=newPurchasePrice
+comment17.target=void\ setPurchasePrice(int)
+comment17.text=\n\ Set\ @purchasePrice\ to\ a\ user-input\ value\n
+comment18.params=newNumberOfOwners
+comment18.target=void\ setNumberOfOwners(int)
+comment18.text=\n\ Set\ @numberOfOwners\ to\ a\ user-input\ value\n
+comment19.params=
+comment19.target=void\ printDetails()
+comment19.text=\n\ Print\ all\ fields\ of\ object\ for\ the\ user.\n
+comment2.params=newHomeEnergyRating
+comment2.target=void\ goingGreener(int)
+comment2.text=\n\ Simulates\ changing\ home\ efficiency\ value.\n\ Takes\ @homeEnergyRating\ and\ replaces\ with\ a\ user\ input\ value\ @newHomeEnergyRating,\ then\n\ prints\ a\ confirmation\ message\ to\ the\ output\ log.\n
+comment20.params=
+comment20.target=void\ checkHomeEnergyRating()
+comment20.text=\n\ Print\ to\ log\ when\ @homeEnergyRating\ is\ above\ or\ below\ a\ threshold\ of\ 3.\n
+comment21.params=newOwner\ newPurchasePrice
+comment21.target=void\ sell(java.lang.String,\ int)
+comment21.text=\n\ Simulates\ selling\ the\ house\ by\ calling\ the\ setOwner()\ and\ setPurchasePrice()\ methods.\n
+comment3.params=
+comment3.target=java.lang.String\ getType()
+comment3.text=\n\ Returns\ the\ value\ of\ @typeOfHouse\ to\ the\ user.\n
+comment4.params=
+comment4.target=java.lang.String\ getAddress()
+comment4.text=\n\ Returns\ the\ value\ of\ @address\n
+comment5.params=
+comment5.target=int\ getInitialPurchasePrice()
+comment5.text=\n\ Returns\ the\ value\ of\ @initalPurchasePrice\n
+comment6.params=
+comment6.target=int\ getEnergyRating()
+comment6.text=\n\ Returns\ the\ value\ of\ @homeEnergyRating\n
+comment7.params=
+comment7.target=char\ getTaxBand()
+comment7.text=\n\ Returns\ the\ value\ of\ @councilTaxBand\n
+comment8.params=
+comment8.target=boolean\ getGarage()
+comment8.text=\n\ Returns\ the\ value\ of\ @hasGarage\n
+comment9.params=
+comment9.target=int\ getPurchasePrice()
+comment9.text=\n\ Returns\ the\ value\ of\ @purchasePrice\n
+numComments=22

Semester 1/Programming 1/Week 3/Homework 1/House.java

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+
+/**
+ * This class is an imitation of a house for sale in a real estate business. It allows for the buying, selling and modification of the house.
+ * 
+ * @author George Wilkinson
+ * @version 6/10/23
+ */
+public class House
+{
+    // instance variables
+    private String typeOfHouse;
+    private String address;
+    private int initialPurchasePrice;
+    private int purchasePrice;
+    private int homeEnergyRating;
+    private char councilTaxBand;
+    private String owner;
+    private int numberOfOwners;
+    private boolean hasGarage;
+    
+    /**
+     * Constructor for objects of class House
+     */
+    public House( String type, String homeAddress, int initPrice, int energyRating, char taxBand, boolean garage)
+    {
+        // initialise house attriutes
+        typeOfHouse = type;
+        address = homeAddress;
+        initialPurchasePrice = initPrice;
+        homeEnergyRating = energyRating;
+        councilTaxBand = taxBand;
+        hasGarage = garage;
+        
+        purchasePrice = 0;
+        owner = "None";
+        numberOfOwners = 0;
+        checkHomeEnergyRating();
+    }
+
+    /**
+     * Simulates changing home efficiency value.
+     * Takes @homeEnergyRating and replaces with a user input value @newHomeEnergyRating, then
+     * prints a confirmation message to the output log.
+     */
+    
+    public void goingGreener( int newHomeEnergyRating )
+    {
+        homeEnergyRating = newHomeEnergyRating; //Update homeEnergyRating variable's value
+    }
+    
+    /**
+     * Returns the value of @typeOfHouse to the user.
+     */
+    
+    public String getType() 
+    {
+        return typeOfHouse;
+    }
+    
+    /**
+     * Returns the value of @address
+     */
+    
+    public String getAddress()
+    {
+        return address;
+    }
+    
+    /**
+     * Returns the value of @initalPurchasePrice
+     */
+    
+    public int getInitialPurchasePrice()
+    {
+        return initialPurchasePrice;
+    }
+    
+    /**
+     * Returns the value of @homeEnergyRating
+     */
+    public int getEnergyRating()
+    {
+        return homeEnergyRating;
+    }
+    
+    /**
+     * Returns the value of @councilTaxBand
+     */
+    public char getTaxBand()
+    {
+        return councilTaxBand;
+    }
+    
+    /**
+     * Returns the value of @hasGarage
+     */
+    public boolean getGarage()
+    {
+        return hasGarage;
+    }
+    
+    /**
+     * Returns the value of @purchasePrice
+     */
+    public int getPurchasePrice()
+    {
+        return purchasePrice;
+    }
+    
+    /**
+     * Returns the value of @owner
+     */
+    public String getOwner()
+    {
+        return owner;
+    }
+    
+    /**
+     * Returns the value of @numberOfOwners
+     */
+    public int getNumberOfOwners()
+    {
+        return numberOfOwners;
+    }
+    
+    /**
+     * Set @typeOfHouse to a user-input value
+     */
+    
+    public void setType( String type )
+    {
+        typeOfHouse = type; //Update the type variable's value
+        System.out.println( "Type of this house is now: " + typeOfHouse );
+    }
+    
+    /**
+     * Set @address to a user-input value
+     */
+    
+    public void setAddress( String newAddress )
+    {
+        address = newAddress; //Update the address variable's value
+        System.out.println( "Address of this house is now: " + address );
+    }
+    
+    /**
+     * Set @councilTaxBand to a user-input value
+     */
+    
+    public void setCouncilTaxBand( char newBand )
+    {
+        councilTaxBand = newBand; //Update the Tax Band variable's value
+        System.out.println( "Council Tax Band of this house is now: " + councilTaxBand );
+    }
+    
+    /**
+     * Set @hasGarage to a user-input value
+     */
+    
+    public void setGarage( boolean garage )
+    {
+        hasGarage = garage; //Update the garage variable's value
+        System.out.println( "Garage state of this house is: " + hasGarage );
+    }
+    
+    /**
+     * Set @owner to a user-input value
+     */
+    
+    public void setOwner( String newOwner )
+    {
+        owner = newOwner; //Update the owner variable's value
+        System.out.println( "Owner of this house is now: " + owner );
+    }
+    
+    /**
+     * Set @purchasePrice to a user-input value
+     */
+    
+    public void setPurchasePrice( int newPurchasePrice )
+    {
+        purchasePrice = newPurchasePrice; //Update the purchasePrice variable's value
+        System.out.println( "House has been purchased for: £" + purchasePrice );
+    }
+    
+    /**
+     * Set @numberOfOwners to a user-input value
+     */
+    public void setNumberOfOwners( int newNumberOfOwners )
+    {
+        numberOfOwners = newNumberOfOwners;
+        System.out.println( "Number of Owners of this house is now: " + numberOfOwners );
+    }
+    
+    /**
+     * Print all fields of object for the user.
+     */
+    
+    public void printDetails()
+    {
+        System.out.println( "House type: " + typeOfHouse );
+        System.out.println( "Address: " + address );
+        System.out.println( "Original purchase price in pounds: " + initialPurchasePrice );
+        System.out.println( "Current price in pounds: " + purchasePrice );
+        System.out.println( "Home energy rating: " + homeEnergyRating );
+        System.out.println( "Council Tax Band: " + councilTaxBand );
+        System.out.println( "Number of owners to date: " + numberOfOwners );
+        System.out.println( "Current owner: " + owner );
+    }
+    
+    /**
+     * Print to log when @homeEnergyRating is above or below a threshold of 3.
+     */
+    
+    public void checkHomeEnergyRating() 
+    {
+        if( homeEnergyRating < 3 ) 
+        {
+            System.out.println( "Be aware that extra green taxes may be imposed on this house" );
+        }
+        else 
+        {
+            System.out.println( "This house will not be subject to extra taxes" );
+        }
+    }
+    
+    /**
+     * Simulates selling the house by calling the setOwner() and setPurchasePrice() methods.
+     */
+    
+    public void sell( String newOwner, int newPurchasePrice )
+    {
+        setOwner( newOwner ); //Call the setOwner method to set the purchaser's name
+        setPurchasePrice( newPurchasePrice ); //Call the setPurchasePrice method to set the buy price of the house after it is sold.
+        setNumberOfOwners( numberOfOwners + 1 ); //Call the setNumberOfOwners mutator to increment the owner count after selling.
+    }
+}

Semester 1/Programming 1/Week 3/Homework 1/README.TXT

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+------------------------------------------------------------------------
+This is the project README file. Here, you should describe your project.
+Tell the reader (someone who does not know anything about this project)
+all he/she needs to know. The comments should usually include at least:
+------------------------------------------------------------------------
+
+PROJECT TITLE:
+PURPOSE OF PROJECT:
+VERSION or DATE:
+HOW TO START THIS PROJECT:
+AUTHORS:
+USER INSTRUCTIONS:

Semester 1/Programming 1/Week 3/Homework 1/doc/logfile.txt

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+Class documentation
+<---- javadoc command: ---->
+/usr/lib/jvm/java-8-openjdk-amd64/bin/javadoc
+-author
+-version
+-nodeprecated
+-package
+-noindex
+-notree
+-nohelp
+-nonavbar
+-source
+1.8
+-classpath
+/usr/share/bluej/bluejcore.jar:/usr/share/bluej/junit-4.8.2.jar:/usr/share/bluej/userlib/pi4j-gpio-extension.jar:/usr/share/bluej/userlib/pi4j-device.jar:/usr/share/bluej/userlib/pi4j-core.jar:/usr/share/bluej/userlib/pi4j-service.jar:/home/boris/OneDrive/Computer Science Year 1/Programming 1/Week 3/Homework 1
+-d
+/home/boris/OneDrive/Computer Science Year 1/Programming 1/Week 3/Homework 1/doc
+-encoding
+UTF-8
+-charset
+UTF-8
+-docletpath
+/usr/share/bluej/bjdoclet.jar
+-doclet
+bluej.doclet.doclets.formats.html.HtmlDoclet
+/home/boris/OneDrive/Computer Science Year 1/Programming 1/Week 3/Homework 1/House.java
+<---- end of javadoc command ---->
+Loading source file /home/boris/OneDrive/Computer Science Year 1/Programming 1/Week 3/Homework 1/House.java...
+/home/boris/OneDrive/Computer Science Year 1/Programming 1/Week 3/Homework 1/House.java:40: error: illegal start of expression
+        if ( councilTaxBand != 'A' || councilTaxBand != 'B' || councilTaxBand != 'C' || councilTaxBand != 'D' || councilTaxBand != 'E' || )
+                                                                                                                                          ^
+1 error

Semester 1/Programming 1/Week 3/Homework 1/package.bluej

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+#BlueJ package file
+objectbench.height=76
+objectbench.width=940
+package.editor.height=874
+package.editor.width=814
+package.editor.x=0
+package.editor.y=31
+package.numDependencies=0
+package.numTargets=1
+package.showExtends=true
+package.showUses=true
+project.charset=UTF-8
+target1.editor.height=1049
+target1.editor.width=960
+target1.editor.x=0
+target1.editor.y=31
+target1.height=50
+target1.name=House
+target1.naviview.expanded=true
+target1.showInterface=false
+target1.type=ClassTarget
+target1.typeParameters=
+target1.width=80
+target1.x=210
+target1.y=210

Semester 1/Programming 1/Week 3/Week 3 Programming 1 - Understanding Class Definitions.md

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+## Lecture 1 (11:00)
+
+## Lecture 2 (14:00)
+
+### Modifiers
+
+```java
+private
+public
+```
+
+- These are two examples of modifiers in java. Will cover more in chapter 3
+
+### Mutator Vs Accessor Methods
+
+```java
+public void changeColour( int newColour ) 
+{
+	colour = newColour;
+	draw();
+}
+```
+
+- An example of a **mutator** method. Since the method **mutates** an integer, and does not return a value.
+
+```java
+public int getPrice()
+{
+	return price;
+}
+```
+
+- This would be an example of an **accessor** method. Since this accesses a value and outputs to a location.
+
+### Formal Vs Actual Parameter
+
+```java
+public void changeSize( int newDiameter )
+```
+
+- newDiameter is the **formal** parameter
+- The value of newDiameter is the **actual** parameter
+
+### Good Practices
+
+- Vertically align braces, since it allows for better error checking
+
+### Extra Stuff
+
+- Homework Wednesday
+- Name everything exactly, marking is automated