added ws202425 courses

2024_Praxis_der_Programmierung/ue9/loesung/figure/Circ.java

@@ -0,0 +1,37 @@
+package figure;
+
+public class Circ extends Square{
+    private int radius;
+
+    public Circ(){
+        super();
+        this.radius = 1;
+    }
+
+    public Circ(int initX, int initY){ 
+        super(initX, initY);
+        this.radius = 1;
+    }
+
+    public Circ(int initX, int initY, int initEdgeLen){ 
+        super(initX, initY);
+        this.radius = initEdgeLen;
+    }
+
+    public int getSize(){  // Größe von Kreis? was gemeint?
+        return this.radius;
+    }
+
+    public void setSize(int newRadius){
+        this.radius = newRadius;
+    }
+
+    public int getArea(){
+        return this.radius* this.radius * 3 ; // 3 für pi
+    }
+
+    public int getUmfang(){
+        return (2 * (int) Math.PI *  this.radius);  // pi durch 3 abgekürzt
+    }
+
+}

2024_Praxis_der_Programmierung/ue9/loesung/figure/Circle.java

@@ -0,0 +1,43 @@
+package figure;
+
+public class Circle extends Figure{
+    private int radius;
+
+    public Circle(){
+        super();
+        this.radius = 1;
+    }
+
+	public Circle(int initEdgeLen){ 
+        super();
+        this.radius = initEdgeLen;
+    }
+
+
+    public Circle(int initX, int initY){ 
+        super(initX, initY);
+        this.radius = 1;
+    }
+
+    public Circle(int initX, int initY, int initEdgeLen){ 
+        super(initX, initY);
+        this.radius = initEdgeLen;
+    }
+
+    public int getSize(){  // Größe von Kreis? was gemeint?
+        return this.radius;
+    }
+
+    public void setSize(int newRadius){
+        this.radius = newRadius;
+    }
+
+    public int getArea(){
+        return this.radius* this.radius * 3 ; // 3 für pi
+    }
+
+    public int getUmfang(){
+        return (2 * 3*  this.radius);  // pi durch 3 abgekürzt
+    }
+
+}

2024_Praxis_der_Programmierung/ue9/loesung/figure/Figure.java

@@ -0,0 +1,31 @@
+package figure;
+
+public abstract class Figure{
+    private Point point;
+
+    protected Figure(){
+        point = new Point();
+    }
+
+    protected Figure(int initX, int initY){
+        point = new Point(initX, initY);
+    }
+
+
+    public void moveTo(int new_x, int new_y){
+		this.point.moveTo(new_x, new_y); 
+	}
+
+	public int getX(){
+		return this.point.getX();
+	}
+
+	public int getY(){
+		return this.point.getY();
+	}
+
+    abstract public int getSize();
+    abstract public void setSize(int newSize);
+    abstract public int getArea();
+    abstract public int getUmfang();
+}

2024_Praxis_der_Programmierung/ue9/loesung/figure/Point.java

@@ -0,0 +1,33 @@
+/**
+* Point.class
+*
+*/
+package figure;
+
+public class Point{
+	private int x, y;
+
+	Point(){
+		this.x = 0;
+		this.y = 0;
+	}
+	
+	Point(int x, int y){
+		this.x = x;
+		this.y = y;
+	}
+	
+	public void moveTo(int new_x, int new_y){
+		this.x = new_x;
+		this.y = new_y;
+	}
+
+	public int getX(){
+		return this.x;
+	}
+
+	public int getY(){
+		return this.y;
+	}
+
+}

2024_Praxis_der_Programmierung/ue9/loesung/figure/Square.java

@@ -0,0 +1,48 @@
+package figure;
+
+public class Square extends Figure{
+    private int size;
+
+    public Square(){
+        super();
+        this.size = 1;
+    }
+
+    public Square(int initX, int initY){ 
+        super(initX, initY);
+        this.size = 1;
+    }
+
+    public Square(int initX, int initY, int initEdgeLen){ 
+        super(initX, initY);
+        this.size = initEdgeLen;
+    }
+
+	
+	public Square(Square original){
+		super(original.getX(), original.getY());
+        this.size = original.size;
+	}
+
+
+    public int getSize(){
+        return this.size;
+    }
+
+    public void setSize(int newSize){
+        this.size = newSize;
+    }
+
+    public int getArea(){
+        return this.size* this.size;
+    }
+
+    public int getUmfang(){
+        return (4 * this.size);
+    }
+
+	public void show(){
+		System.out.println("Size: "+ this.size + ", Area: " + this.getArea() + ", Umfang: " + this.getUmfang());
+		return;
+	}
+}

2024_Praxis_der_Programmierung/ue9/loesung/figure/TestFigure_insidePackage.java

@@ -0,0 +1,32 @@
+
+package figure;
+
+public class TestFigure{
+
+    public static void main(String[] args){
+        Square square = new Square(1,1,5); // links größer oder gleich (Hierachie)
+        System.out.println(square.getArea());
+	square.show();
+	Square squareCopy = new Square(square);
+	squareCopy.show();
+	//System.out.println(square == squareCopy);
+	//System.out.println(square.equals(squareCopy));
+	
+	System.out.println(""+ square.toString() + "  "+squareCopy.toString());
+	System.out.println("toString: " + square.toString() == squareCopy.toString());
+	
+	squareCopy.setSize(10);
+	squareCopy.show();
+
+        Circle circle = new Circle(4,5,3);
+        System.out.println(circle.getX());
+        System.out.println(circle.getArea());
+        Circ circ = new Circ(4,5,3);
+        System.out.println(circ.getX());
+        System.out.println(circ.getArea());
+
+        /* 
+        *  statischer Dynamischer Type? // links größer oder gleich (Hierachie)
+        */
+    }
+}