Initial commit: simple OOP project in Java;

.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

.gitignore

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+bin

.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>TestJava</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

.settings/org.eclipse.core.resources.prefs

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+eclipse.preferences.version=1
+encoding/<project>=UTF-8

.settings/org.eclipse.jdt.core.prefs

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+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=17
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=17

src/module-info.java

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+/**
+ * 
+ */
+/**
+ * @author ahypki
+ *
+ */
+module TestJava {
+}

src/net/hypki/testjava/figures/Circle.java

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+package net.hypki.testjava.figures;
+
+public class Circle extends Figure {
+	
+	private double radius;
+
+	public Circle() {
+		super("Circle");
+	}
+	
+	public Circle(double radius) {
+		super("Circle");
+		setRadius(radius);
+	}
+
+	@Override
+	public double computeArea() {
+		return Math.PI * getRadius() * getRadius();
+	}
+
+	public double getRadius() {
+		return radius;
+	}
+
+	public void setRadius(double radius) {
+		this.radius = radius;
+	}
+
+}

src/net/hypki/testjava/figures/Figure.java

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+package net.hypki.testjava.figures;
+
+public abstract class Figure {
+	
+	private int id = -1;
+	
+	private String name;
+	
+	public abstract double computeArea();
+	
+	public Figure() {
+		setName("Figure");
+	}
+	
+	public Figure(String name) {
+		setName(name);
+	}
+	
+	@Override
+	public String toString() {
+		return getName() + " with ID = " + getId() 
+			+ " has area " + computeArea();
+	}
+	
+	public void setId(int id) {
+		this.id = id;
+	}
+	
+	public int getId() {
+		return this.id;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+}

src/net/hypki/testjava/figures/Rectangle.java

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+package net.hypki.testjava.figures;
+
+public class Rectangle extends Square {
+	
+	private double y;
+
+	/**
+	 * Default constructor
+	 */
+	public Rectangle() {
+		super("Rectangle");
+	}
+	
+	/**
+	 * Constructor with 2 params. 
+	 * @param x - width
+	 * @param y - length
+	 */
+	public Rectangle(double x, double y) {
+		super("Rectangle");
+		setX(x);
+		setY(y);
+	}
+	
+	@Override
+	public double computeArea() {
+		return getX() * getY();
+	}
+
+	public double getY() {
+		return y;
+	}
+
+	public void setY(double y) {
+		this.y = y;
+	}
+
+}

src/net/hypki/testjava/figures/Square.java

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+package net.hypki.testjava.figures;
+
+public class Square extends Figure {
+	
+	private double x;
+	
+	public Square() {
+		setName("Square");
+	}
+	
+	public Square(String name) {
+		setName(name);
+	}
+
+	@Override
+	public double computeArea() {
+		return getX() * getX();
+	}
+
+	public double getX() {
+		return x;
+	}
+
+	public void setX(double x) {
+		this.x = x;
+	}
+}

src/net/hypki/testjava/main/Main.java

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+package net.hypki.testjava.main;
+
+import net.hypki.testjava.figures.Circle;
+import net.hypki.testjava.figures.Figure;
+import net.hypki.testjava.figures.Rectangle;
+import net.hypki.testjava.figures.Square;
+
+public class Main {
+
+	public static void main(String[] args) {
+				
+		Square sq = new Square();
+		sq.setId(5);
+		sq.setX(12);
+		System.out.println(sq);
+		
+		Rectangle rec = new Rectangle();
+		rec.setX(10);
+		rec.setY(5);
+		System.out.println(rec);
+		
+		Rectangle rec2 = new Rectangle(10, 5);
+		System.out.println(rec2);
+		
+		Circle c = new Circle(3);
+		System.out.println(c);
+	}
+
+}