U14/FNS/CSC/054 - lab 1,2, 3, & 4

Lab 3/Box.ctxt

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+#BlueJ class context
+comment0.target=Box
+comment1.params=
+comment1.target=double\ getVolume()
+comment2.params=
+comment2.target=double\ getSurfaceArea()
+numComments=3

Lab 3/Box.java

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+
+public class Box
+{
+    double length;
+    double width;
+    double height;
+    double volume;
+    double surfaceArea;
+
+    public double getVolume()
+    {
+      volume = length * width * height;
+      return volume;  
+    }
+
+     public double getSurfaceArea()
+    {
+      surfaceArea = length + width + height;
+      return volume;  
+    }
+}

Lab 3/QuestionOne.ctxt

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+#BlueJ class context
+comment0.target=QuestionOne
+comment1.params=args
+comment1.target=void\ main(java.lang.String[])
+numComments=2

Lab 3/QuestionOne.java

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+import java.util.Scanner;
+public class QuestionOne
+{
+
+    public static void main(String[] args)
+    {
+        Box box = new Box();
+
+        Scanner input = new Scanner(System.in);
+
+        System.out.println("Enter the Length");
+        box.length = input.nextDouble();
+
+        System.out.println("Enter the Width");
+        box.width = input.nextDouble();
+
+        System.out.println("Enter the Length");
+        box.height = input.nextDouble();
+
+        System.out.println("The volume is: " + box.getVolume());
+        System.out.println("The volume is: " + box.getSurfaceArea());
+    }
+}

Lab 3/QuestionThree.ctxt

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+#BlueJ class context
+comment0.target=QuestionThree
+comment1.params=args
+comment1.target=void\ main(java.lang.String[])
+numComments=2

Lab 3/QuestionThree.java

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+
+import java.util.Scanner;
+public class QuestionThree
+{
+   public static void main(String[] args)
+   {
+       Scanner input = new Scanner(System.in);
+       System.out.println("Please enter the sides of the Triangle\n First Side: ");
+       int firstSide = input.nextInt();
+
+       System.out.println("Second Side: ");
+       int secondSide = input.nextInt();
+
+       System.out.println("Third Side: ");
+       int thirdSide = input.nextInt();
+
+       Triangle triangle = new Triangle(firstSide, secondSide, thirdSide);
+
+       System.out.println("The Perimter of the Triangle is: " + triangle.getPerimeter());
+       System.out.println("The Area of the Triangle is: " + triangle.getArea());
+       System.out.println("The Longest side of the Triangle is: " + triangle.hypotenus);
+       System.out.println("The Shortest side of the Triangle is: " + triangle.shortestSide);
+       System.out.println("The remainder is: " + triangle.getRatio());
+   }
+}

Lab 3/QuestionTwo.ctxt

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+#BlueJ class context
+comment0.target=QuestionTwo
+comment1.params=args
+comment1.target=void\ main(java.lang.String[])
+numComments=2

Lab 3/QuestionTwo.java

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+import java.util.Scanner;
+public class QuestionTwo
+{
+    public static void main(String[] args)
+    {
+        Scanner input = new Scanner(System.in);
+        System.out.println("Please enter your e-mail address ");
+        String email = input.nextLine();
+        User user = new User();
+        user.readEmail(email);
+        System.out.println("User Name is: " + user.userName);
+        System.out.println("Domain Name is: " + user.domainName);
+    }
+}

Lab 3/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: Java 2019
+PURPOSE OF PROJECT: Practical Class
+VERSION or DATE: Lab 3
+HOW TO START THIS PROJECT:
+AUTHORS: U15/FNS/CSC/054
+USER INSTRUCTIONS:

Lab 3/Triangle.ctxt

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+#BlueJ class context
+comment0.target=Triangle
+comment1.params=s1\ s2\ s3
+comment1.target=Triangle(int,\ int,\ int)
+comment2.params=
+comment2.target=double\ getPerimeter()
+comment3.params=
+comment3.target=double\ getArea()
+comment4.params=
+comment4.target=double\ getRatio()
+numComments=5

Lab 3/Triangle.java

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+
+public class Triangle
+{
+    int hypotenus;
+    int shortestSide;
+    int a;
+    int b;
+    int c;
+
+    public Triangle(int s1, int s2, int s3)
+    {
+      a = s1;
+      b = s2;
+      c = s3;
+
+       if (a > b && a > c)
+        {
+            hypotenus = a;
+            if (b > c)
+            shortestSide = c;
+            else if (c > b)
+            shortestSide = b;
+        }
+
+        else if (b > a && b > c)
+        {
+            hypotenus = b;
+            if (a > c)
+            shortestSide = c;
+            else if (c > a)
+            shortestSide = a;
+        }
+        else if (c > a && c > b)
+        {
+            hypotenus = c;
+            if (a > b)
+            shortestSide = b;
+            else if (b > a)
+            shortestSide = a;
+        }
+    }
+
+
+    public double getPerimeter()
+    {
+        double perimeter = a + b + c;
+        return perimeter;
+    }
+
+    public double getArea()
+    {
+        //using Heron's Formula
+        double s = (a + b + c)/2;
+        double area = Math.sqrt(s *((s-a) * (s-b) * (s-c)));
+        return area;
+    }
+
+    public double getRatio()
+    {
+        return hypotenus/shortestSide;
+    }
+}

Lab 3/User.ctxt

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+#BlueJ class context
+comment0.target=User
+comment1.params=userEmail
+comment1.target=void\ readEmail(java.lang.String)
+numComments=2

Lab 3/User.java

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+
+public class User
+{
+    String email;
+    String domainName;
+    String userName;
+
+    public void readEmail(String userEmail)
+    {
+         email = userEmail;
+         int emailNo = email.indexOf("@");
+         domainName = email.substring(emailNo + 1);
+         userName = email.substring(0,emailNo);
+    }
+
+}

Lab 3/package.bluej

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+#BlueJ package file
+dependency1.from=QuestionOne
+dependency1.to=Box
+dependency1.type=UsesDependency
+dependency2.from=QuestionTwo
+dependency2.to=User
+dependency2.type=UsesDependency
+dependency3.from=QuestionThree
+dependency3.to=Triangle
+dependency3.type=UsesDependency
+editor.fx.0.height=739
+editor.fx.0.width=816
+editor.fx.0.x=275
+editor.fx.0.y=-4
+objectbench.height=98
+objectbench.width=657
+package.divider.horizontal=0.6
+package.divider.vertical=0.8346456692913385
+package.editor.height=523
+package.editor.width=567
+package.editor.x=100
+package.editor.y=100
+package.frame.height=735
+package.frame.width=697
+package.numDependencies=3
+package.numTargets=6
+package.showExtends=true
+package.showUses=true
+project.charset=UTF-8
+readme.height=58
+readme.name=@README
+readme.width=47
+readme.x=10
+readme.y=10
+target1.height=50
+target1.name=QuestionOne
+target1.showInterface=false
+target1.type=ClassTarget
+target1.width=110
+target1.x=70
+target1.y=10
+target2.height=50
+target2.name=User
+target2.showInterface=false
+target2.type=ClassTarget
+target2.width=80
+target2.x=230
+target2.y=90
+target3.height=50
+target3.name=QuestionTwo
+target3.showInterface=false
+target3.type=ClassTarget
+target3.width=110
+target3.x=70
+target3.y=100
+target4.height=50
+target4.name=Triangle
+target4.showInterface=false
+target4.type=ClassTarget
+target4.width=80
+target4.x=230
+target4.y=180
+target5.height=50
+target5.name=Box
+target5.showInterface=false
+target5.type=ClassTarget
+target5.width=80
+target5.x=230
+target5.y=10
+target6.height=50
+target6.name=QuestionThree
+target6.showInterface=false
+target6.type=ClassTarget
+target6.width=120
+target6.x=70
+target6.y=180

Lab 4/BankAccount.ctxt

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+#BlueJ class context
+comment0.target=BankAccount
+comment1.params=number\ name\ balance
+comment1.target=BankAccount(java.lang.String,\ java.lang.String,\ int)
+comment2.params=amountToDeposit
+comment2.target=void\ deposit(int)
+comment3.params=amountToWithdraw
+comment3.target=void\ withdraw(int)
+comment4.params=
+comment4.target=int\ getBalance()
+numComments=5

Lab 4/BankAccount.java

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+
+public class BankAccount
+{
+    private String accountNumber;
+    private String accountName;
+    private int accountBalance;
+
+    public BankAccount(String number, String name, int balance)
+    {
+        accountNumber = number;
+        accountName = name;
+        accountBalance = balance;
+    }
+
+    public void deposit(int amountToDeposit)
+    {
+
+        accountBalance = accountBalance + amountToDeposit;
+    }
+
+    public void withdraw(int amountToWithdraw)
+    {
+        accountBalance = accountBalance - amountToWithdraw;
+    }
+
+    public int getBalance()
+    {
+        return accountBalance;
+    }
+}

Lab 4/Box.ctxt

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+#BlueJ class context
+comment0.target=Box
+comment1.params=boxLength\ boxWidth\ boxHeight
+comment1.target=Box(double,\ double,\ double)
+comment2.params=
+comment2.target=double\ volume()
+comment3.params=
+comment3.target=double\ surfaceArea()
+numComments=4

Lab 4/Box.java

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+
+public class Box
+{
+    private double length, width, height;
+
+    public Box(double boxLength, double boxWidth, double boxHeight)
+    {
+        length = boxLength;
+        width = boxWidth;
+        height = boxHeight;
+    }
+
+    public double volume()
+    {
+        return length * width * height;
+    }
+
+    public double surfaceArea()
+    {
+        return 2 * (length*width + length*height + width*height);
+    }
+}

Lab 4/BoxDemo.ctxt

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+#BlueJ class context
+comment0.target=BoxDemo
+comment1.params=args
+comment1.target=void\ main(java.lang.String[])
+numComments=2