Creato progetto grafica, sistemato shape

NetBeans Projects/Grafica/src/shape/Circle.java

@@ -0,0 +1,53 @@
+package shape;
+
+import java.awt.Graphics2D;
+import java.awt.geom.Ellipse2D;
+
+/**
+ *
+ * @author radaelli11353
+ */
+public class Circle extends Shape {
+    private double r;
+
+    public Circle(double xc, double yc, double r) {
+        super(xc-r, yc-r);
+        this.r = r;
+    }
+    
+    public void setRadius(double r) {
+        this.r = r;
+    }
+
+    @Override
+    public double width() {
+        return r*2;
+    }
+
+    @Override
+    public double height() {
+        return r*2;
+    }
+
+    @Override
+    public int hashCode() {
+        int hash = 5;
+        hash = 83 * hash + (int) (Double.doubleToLongBits(this.r) ^ (Double.doubleToLongBits(this.r) >>> 32));
+        return hash;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (o == null) return false;
+        if (getClass() != o.getClass()) return false;
+        Circle c = (Circle) o;
+        return r == c.r;
+    }
+    
+    @Override
+    public void draw(Graphics2D g2) {
+        Ellipse2D.Double e = new Ellipse2D.Double(posX(), posY(), width(), height());
+        
+        g2.draw(e);
+    }
+}