Java moment

Semester 3/Assignments/JavaFXBallsWithComparator/nbactions.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+    <actions>
+        <action>
+            <actionName>run</actionName>
+            <packagings>
+                <packaging>jar</packaging>
+            </packagings>
+            <goals>
+                <goal>clean</goal>
+                <goal>javafx:run</goal>
+            </goals>
+        </action>
+        <action>
+            <actionName>debug</actionName>
+            <goals>
+                <goal>clean</goal>
+                <goal>javafx:run@ide-debug</goal>
+            </goals>
+            <properties>
+                <jpda.listen>true</jpda.listen>
+            </properties>
+        </action>
+        <action>
+            <actionName>profile</actionName>
+            <goals>
+                <goal>clean</goal>
+                <goal>javafx:run@ide-profile</goal>
+            </goals>
+        </action>
+        <action>
+            <actionName>CUSTOM-jlink</actionName>
+            <displayName>jlink</displayName>
+            <goals>
+                <goal>clean</goal>
+                <!-- compile not needed with javafx-maven-plugin v0.0.5 -->
+                <goal>compile</goal>
+                <goal>javafx:jlink</goal>
+            </goals>
+        </action>
+    </actions>

Semester 3/Assignments/JavaFXBallsWithComparator/pom.xml

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+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>edu.slcc.asdv.caleb</groupId>
+    <artifactId>JavaFXBallsWithComparator</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.openjfx</groupId>
+            <artifactId>javafx-controls</artifactId>
+            <version>20</version>
+        </dependency>
+    </dependencies>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.0</version>
+                <configuration>
+                    <release>17</release>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.openjfx</groupId>
+                <artifactId>javafx-maven-plugin</artifactId>
+                <version>0.0.4</version>
+                <configuration>
+                    <mainClass>edu.slcc.asdv.caleb.javafxballswithcomparator.App</mainClass>
+                </configuration>
+                <executions>
+                    <execution>
+                        <!-- Default configuration for running -->
+                        <!-- Usage: mvn clean javafx:run -->
+                        <id>default-cli</id>
+                    </execution>
+                    <execution>
+                        <!-- Configuration for manual attach debugging -->
+                        <!-- Usage: mvn clean javafx:run@debug -->
+                        <id>debug</id>
+                        <configuration>
+                            <options>
+                                <option>-agentlib:jdwp=transport=dt_socket,server=y,suspend=y,address=localhost:8000</option>
+                            </options>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <!-- Configuration for automatic IDE debugging -->
+                        <id>ide-debug</id>
+                        <configuration>
+                            <options>
+                                <option>-agentlib:jdwp=transport=dt_socket,server=n,address=${jpda.address}</option>
+                            </options>
+                        </configuration>
+                    </execution>
+                    <execution>
+                        <!-- Configuration for automatic IDE profiling -->
+                        <id>ide-profile</id>
+                        <configuration>
+                            <options>
+				<option>${profiler.jvmargs.arg1}</option>
+				<option>${profiler.jvmargs.arg2}</option>
+				<option>${profiler.jvmargs.arg3}</option>
+				<option>${profiler.jvmargs.arg4}</option>
+				<option>${profiler.jvmargs.arg5}</option>
+                            </options>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+</project>

Semester 3/Assignments/JavaFXBallsWithComparator/src/main/java/edu/slcc/asdv/caleb/javafxballswithcomparator/A1.java

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+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package edu.slcc.asdv.caleb.javafxballswithcomparator;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ *
+ * @author caleb
+ */
+public class A1 implements Comparable<A1> {
+    int x;
+    public A1() {}
+    public A1(int x) {this.x = x;}
+    @Override
+    public int compareTo(A1 o)
+    {
+        return this.x - o.x;
+    }
+
+    @Override
+    public String toString()
+    {
+        return "A1{" + "x=" + x + '}';
+    }
+    public static void main(String[] args)
+    {
+        System.out.println("Sorting in ascending order");
+        List<A1> list1 = Arrays.asList(new A1(3), new A1(), new A1(2));
+        
+        Collections.sort(list1);
+        System.out.println(list1);
+        
+        System.out.println("Sorting in descending order");
+        Collections.sort(list1, Collections.reverseOrder());
+        System.out.println(list1);
+    }
+}

Semester 3/Assignments/JavaFXBallsWithComparator/src/main/java/edu/slcc/asdv/caleb/javafxballswithcomparator/A2.java

@@ -0,0 +1,41 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package edu.slcc.asdv.caleb.javafxballswithcomparator;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+/**
+ *
+ * @author caleb
+ */
+public class A2 {
+    int x;
+    public A2() {}
+    public A2(int x) {this.x = x;}
+    
+    @Override
+    public String toString()
+    {
+        return "A2{" + "x=" + x + '}';
+    }
+    public static void main(String[] args)
+    {
+        System.out.println("Sorting in ascending order");
+        List<A2> list1 = Arrays.asList(new A2(4), new A2(), new A2(2));
+        Comparator<A2> c = new Comparator<A2>() {
+            @Override
+            public int compare(A2 o1, A2 o2)
+            {
+               return o1.x - o2.x;
+            }
+        };
+        Collections.sort(list1, c);
+        System.out.println(list1);
+    }
+    
+}

Semester 3/Assignments/JavaFXBallsWithComparator/src/main/java/edu/slcc/asdv/caleb/javafxballswithcomparator/App.java

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+package edu.slcc.asdv.caleb.javafxballswithcomparator;
+
+import javafx.application.Application;
+import javafx.scene.Scene;
+import javafx.scene.control.Label;
+import javafx.scene.layout.StackPane;
+import javafx.stage.Stage;
+
+
+/**
+ * JavaFX App
+ */
+public class App extends Application {
+
+    @Override
+    public void start(Stage stage) {
+        var javaVersion = SystemInfo.javaVersion();
+        var javafxVersion = SystemInfo.javafxVersion();
+
+        var label = new Label("Hello, JavaFX " + javafxVersion + ", running on Java " + javaVersion + ".");
+        var scene = new Scene(new StackPane(label), 640, 480);
+        stage.setScene(scene);
+        stage.show();
+    }
+
+    public static void main(String[] args) {
+        launch();
+    }
+
+}

Semester 3/Assignments/JavaFXBallsWithComparator/src/main/java/edu/slcc/asdv/caleb/javafxballswithcomparator/Circle.java

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+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package edu.slcc.asdv.caleb.javafxballswithcomparator;
+
+/**
+ *
+ * @author caleb
+ */
+public class Circle extends GeometricObject {
+  private double radius;
+
+  public Circle() {
+  }
+
+  public Circle(double radius) {
+    this.radius = radius;
+  }
+
+  /** Return radius */
+  public double getRadius() {
+    return radius;
+  }
+
+  /** Set a new radius */
+  public void setRadius(double radius) {
+    this.radius = radius;
+  }
+
+  @Override /** Return area */
+  public double getArea() {
+    return radius * radius * Math.PI;
+  }
+
+  /** Return diameter */
+  public double getDiameter() {
+    return 2 * radius;
+  }
+
+  @Override /** Return perimeter */
+  public double getPerimeter() {
+    return 2 * radius * Math.PI;
+  }
+
+  /* Print the circle info */
+  public void printCircle() {
+    System.out.println("The circle is created " + getDateCreated() +
+      " and the radius is " + radius);
+  }
+}

Semester 3/Assignments/JavaFXBallsWithComparator/src/main/java/edu/slcc/asdv/caleb/javafxballswithcomparator/GeometricObject.java

@@ -0,0 +1,66 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package edu.slcc.asdv.caleb.javafxballswithcomparator;
+
+/**
+ *
+ * @author caleb
+ */
+public abstract class GeometricObject {
+  private String color = "white";
+  private boolean filled;
+  private java.util.Date dateCreated;
+
+  /** Construct a default geometric object */
+  protected GeometricObject() {
+    dateCreated = new java.util.Date();
+  }
+
+  /** Construct a geometric object with color and filled value */
+  protected GeometricObject(String color, boolean filled) {
+    dateCreated = new java.util.Date();
+    this.color = color;
+    this.filled = filled;
+  }
+
+  /** Return color */
+  public String getColor() {
+    return color;
+  }
+
+  /** Set a new color */
+  public void setColor(String color) {
+    this.color = color;
+  }
+
+  /** Return filled. Since filled is boolean,
+   *  the get method is named isFilled */
+  public boolean isFilled() {
+    return filled;
+  }
+
+  /** Set a new filled */
+  public void setFilled(boolean filled) {
+    this.filled = filled;
+  }
+
+  /** Get dateCreated */
+  public java.util.Date getDateCreated() {
+    return dateCreated;
+  }
+
+  @Override
+  public String toString() {
+    return "created on " + dateCreated + "\ncolor: " + color +
+      " and filled: " + filled;
+  }
+
+  /** Abstract method getArea */
+  public abstract double getArea();
+
+  /** Abstract method getPerimeter */
+  public abstract double getPerimeter();
+}
+

Semester 3/Assignments/JavaFXBallsWithComparator/src/main/java/edu/slcc/asdv/caleb/javafxballswithcomparator/GeometricObjectComparator.java

@@ -0,0 +1,19 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package edu.slcc.asdv.caleb.javafxballswithcomparator;
+
+/**
+ *
+ * @author caleb
+ */
+import java.util.Comparator;
+
+public class GeometricObjectComparator
+    implements Comparator<GeometricObject>, java.io.Serializable {
+  public int compare(GeometricObject o1, GeometricObject o2) {
+    return o1.getArea() > o2.getArea() ? 
+    	1 : o1.getArea() == o2.getArea() ? 0 : -1;
+  }
+}

Semester 3/Assignments/JavaFXBallsWithComparator/src/main/java/edu/slcc/asdv/caleb/javafxballswithcomparator/MultipleBallsWithComparator.java

@@ -0,0 +1,185 @@
+package edu.slcc.asdv.caleb.javafxballswithcomparator;
+
+import javafx.animation.KeyFrame;
+import javafx.animation.Timeline;
+import javafx.application.Application;
+import javafx.beans.property.DoubleProperty;
+import javafx.geometry.Pos;
+import javafx.scene.Node;
+import javafx.stage.Stage;
+import javafx.scene.Scene;
+import javafx.scene.control.Button;
+import javafx.scene.control.ScrollBar;
+import javafx.scene.layout.BorderPane;
+import javafx.scene.layout.HBox;
+import javafx.scene.layout.Pane;
+import javafx.scene.paint.Color;
+import javafx.scene.shape.Circle;
+import javafx.util.Duration;
+
+public class MultipleBallsWithComparator extends Application
+{
+
+    @Override // Override the start method in the Application class
+    public void start(Stage primaryStage)
+    {
+        MultipleBallPane ballPane = new MultipleBallPane();
+
+        Button btAdd = new Button("+");
+        Button btSubtract = new Button("-");
+        HBox hBox = new HBox(10);
+        hBox.getChildren().addAll(btAdd, btSubtract);
+        hBox.setAlignment(Pos.CENTER);
+
+        // Add or remove a ball
+        btAdd.setOnAction(e -> ballPane.add());
+        btSubtract.setOnAction(e -> ballPane.subtract());
+
+        // Pause and resume animation
+        ballPane.setOnMousePressed(e -> ballPane.pause());
+        ballPane.setOnMouseReleased(e -> ballPane.play());
+
+        // Use a scroll bar to control animation speed
+        ScrollBar sbSpeed = new ScrollBar();
+        sbSpeed.setMax(20);
+        sbSpeed.setValue(10);
+        ballPane.rateProperty().bind(sbSpeed.valueProperty());
+
+        BorderPane pane = new BorderPane();
+        pane.setCenter(ballPane);
+        pane.setTop(sbSpeed);
+        pane.setBottom(hBox);
+
+        // Create a scene and place the pane in the stage
+        Scene scene = new Scene(pane, 250, 150);
+        primaryStage.setTitle("Multiple Bouncing Balls"); // Set the stage title
+        primaryStage.setScene(scene); // Place the scene in the stage
+        primaryStage.show(); // Display the stage
+    }
+
+    private class MultipleBallPane extends Pane
+    {
+
+        private Timeline animation;
+
+        public MultipleBallPane()
+        {
+            // Create an animation for moving the ball
+            animation = new Timeline(
+                    new KeyFrame(Duration.millis(50), e -> moveBall()));
+            animation.setCycleCount(Timeline.INDEFINITE);
+            animation.play(); // Start animation
+        }
+
+        public void add()
+        {
+            Color color = new Color(Math.random(),
+                    Math.random(), Math.random(), 0.5);
+            getChildren().add(new Ball(30, 30, Math.random() * 16 + 5, color));
+        }
+
+        public void subtract()
+        {
+            if (getChildren().size() > 0)
+              {
+                    //> Locate the ball with the largest radius
+                Ball ball = (Ball) (getChildren().get(0));
+                for (Node node : getChildren())
+                  {
+                    if (((Ball) node).getRadius() > ball.getRadius())
+                      {
+                        ball = (Ball) node;
+                      }
+                  }
+
+                getChildren().remove(ball);
+              }
+        }
+
+        public void play()
+        {
+            animation.play();
+        }
+
+        public void pause()
+        {
+            animation.pause();
+        }
+
+        public void increaseSpeed()
+        {
+            animation.setRate(animation.getRate() + 0.1);
+        }
+
+        public void decreaseSpeed()
+        {
+            animation.setRate(
+                    animation.getRate() > 0 ? animation.getRate() - 0.1 : 0);
+        }
+
+        public DoubleProperty rateProperty()
+        {
+            return animation.rateProperty();
+        }
+
+        protected void moveBall()
+        {
+            for (Node node : this.getChildren())
+              {
+                Ball ball = (Ball) node;
+                // Check boundaries
+                if (ball.getCenterX() < ball.getRadius()
+                        || ball.getCenterX() > getWidth() - ball.getRadius())
+                  {
+                    ball.dx *= -1; // Change ball move direction
+                  }
+                if (ball.getCenterY() < ball.getRadius()
+                        || ball.getCenterY() > getHeight() - ball.getRadius())
+                  {
+                    ball.dy *= -1; // Change ball move direction
+                  }
+
+                // Adjust ball position
+                ball.setCenterX(ball.dx + ball.getCenterX());
+                ball.setCenterY(ball.dy + ball.getCenterY());
+              }
+        }
+    }
+
+    class Ball extends Circle implements Comparable<Ball>
+    {
+
+        private double dx = 1, dy = 1;
+
+        Ball(double x, double y, double radius, Color color)
+        {
+            super(x, y, radius);
+            setFill(color); // Set ball color
+        }
+
+        public int compareTo(Ball b)
+        {
+            if (this.getRadius() - b.getRadius() < 0)
+              {
+                return -1;
+              }
+            else if (this.getRadius() - b.getRadius() == 0)
+              {
+                return 0;
+              }
+            else
+              {
+                return 1;
+              }
+        }
+    }
+
+    /**
+     * The main method is only needed for the IDE with limited JavaFX support.
+     * Not needed for running from the command line.
+     */
+    public static void main(String[] args)
+    {
+        launch(args);
+    }
+}

Semester 3/Assignments/JavaFXBallsWithComparator/src/main/java/edu/slcc/asdv/caleb/javafxballswithcomparator/Rectangle.java

@@ -0,0 +1,53 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package edu.slcc.asdv.caleb.javafxballswithcomparator;
+
+/**
+ *
+ * @author caleb
+ */
+public class Rectangle extends GeometricObject {
+  private double width;
+  private double height;
+
+  public Rectangle() {
+  }
+
+  public Rectangle(double width, double height) {
+    this.width = width;
+    this.height = height;
+  }
+
+  /** Return width */
+  public double getWidth() {
+    return width;
+  }
+
+  /** Set a new width */
+  public void setWidth(double width) {
+    this.width = width;
+  }
+
+  /** Return height */
+  public double getHeight() {
+    return height;
+  }
+
+  /** Set a new height */
+  public void setHeight(double height) {
+    this.height = height;
+  }
+
+  @Override /** Return area */
+  public double getArea() {
+    return width * height;
+  }
+
+  @Override /** Return perimeter */
+  public double getPerimeter() {
+    return 2 * (width + height);
+  }
+}
+

Semester 3/Assignments/JavaFXBallsWithComparator/src/main/java/edu/slcc/asdv/caleb/javafxballswithcomparator/SystemInfo.java

@@ -0,0 +1,13 @@
+package edu.slcc.asdv.caleb.javafxballswithcomparator;
+
+public class SystemInfo {
+
+    public static String javaVersion() {
+        return System.getProperty("java.version");
+    }
+
+    public static String javafxVersion() {
+        return System.getProperty("javafx.version");
+    }
+
+}

Semester 3/Assignments/JavaFXBallsWithComparator/src/main/java/edu/slcc/asdv/caleb/javafxballswithcomparator/TestArrayAndLinkedList.java

@@ -0,0 +1,45 @@
+package edu.slcc.asdv.caleb.javafxballswithcomparator;
+
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.ListIterator;
+
+public class TestArrayAndLinkedList
+{
+
+    public static void main(String[] args)
+    {
+        List<Integer> arrayList = new ArrayList<>();
+        arrayList.add(1);
+        arrayList.add(2);
+        arrayList.add(3);
+        arrayList.add(1);
+        arrayList.add(4);
+        arrayList.add(0, 10);
+        arrayList.add(3, 30);
+
+        System.out.println("A list of integers in the array list:");
+        System.out.println(arrayList);
+
+        LinkedList<Object> linkedList = new LinkedList<>(arrayList);
+        linkedList.add(1, "red");
+        linkedList.removeLast();
+        linkedList.addFirst("green");
+
+        System.out.println("Display the linked list backward:");
+        ListIterator<Object> listIterator = linkedList.listIterator();
+        while (listIterator.hasNext())
+          {
+            System.out.print(listIterator.next() + " ");
+          }
+        System.out.println();
+
+        System.out.println("Display the linked list backward:");
+        listIterator = linkedList.listIterator(linkedList.size());
+        while (listIterator.hasPrevious())
+          {
+            System.out.print(listIterator.previous() + " ");
+          }
+    }
+}

Semester 3/Assignments/JavaFXBallsWithComparator/src/main/java/edu/slcc/asdv/caleb/javafxballswithcomparator/TestComparator.java

@@ -0,0 +1,29 @@
+/*
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
+ * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template
+ */
+package edu.slcc.asdv.caleb.javafxballswithcomparator;
+
+/**
+ *
+ * @author caleb
+ */
+import java.util.Comparator;
+
+public class TestComparator {
+  public static void main(String[] args) {
+    GeometricObject g1 = new Rectangle(5, 5);
+    GeometricObject g2 = new Circle(5);
+
+    GeometricObject g = 
+      max(g1, g2, new GeometricObjectComparator());
+    
+    System.out.println("The area of the larger object is " + 
+      g.getArea());
+  }
+  
+  public static GeometricObject max(GeometricObject g1, 
+      GeometricObject g2, Comparator<GeometricObject> c) {
+  	return c.compare(g1, g2) > 0 ? g1 : g2;
+  }
+}

Semester 3/Assignments/JavaFXBallsWithComparator/src/main/java/module-info.java

@@ -0,0 +1,4 @@
+module edu.slcc.asdv.caleb.javafxballswithcomparator {
+    requires javafx.controls;
+    exports edu.slcc.asdv.caleb.javafxballswithcomparator;
+}