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Implemented Figures classes with interface Area;

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This commit is contained in:
Arkadiusz Hypki 2023-03-28 16:24:07 +02:00
parent 8e628a9c72
commit f1f961dd14
2 changed files with 9 additions and 7 deletions
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6
src/net/hypki/testjava/figures/Figure.java
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@ -1,13 +1,11 @@
package net.hypki.testjava.figures; package net.hypki.testjava.figures;
public abstract class Figure { public abstract class Figure implements Area {
private int id = -1; private int id = -1;
private String name; private String name;
public abstract double computeArea();
public Figure() { public Figure() {
setName("Figure"); setName("Figure");
} }

10
src/net/hypki/testjava/main/Main.java
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@ -30,11 +30,15 @@ public class Main {
Triangle t = new Triangle(1, 2); Triangle t = new Triangle(1, 2);
System.out.println(t.getColor()); System.out.println(t.getColor());
Area a = new Triangle(4, 10); Area a = new Triangle(4, 10);
a = new Rectangle(4, 10);
a = new Circle(10.0);
System.out.println(a); System.out.println(a);
if (a instanceof Triangle)
System.out.println(((Triangle) a).getColor()); System.out.println(((Triangle) a).getColor());
else if (a instanceof Circle)
System.out.println(((Circle) a).getRadius());
} }
} }