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Java > Open Source Codes > org > apache > cocoon > samples > tour > shapes > Circle


1 /*
2  * Copyright 1999-2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.cocoon.samples.tour.shapes;
18
19 /**
20  * Circle Shape for tour block java-shapes sample
21  */
22 public class Circle implements Shape{
23     double _r;
24
25     public String JavaDoc getName() {
26         return "Circle";
27     }
28
29     /** Creates a new instance of Circle */
30     public Circle(double r) {
31         _r = r;
32     }
33     
34     public double getArea() {
35         return 3.14 * _r * _r;
36     }
37     
38     public double getPerimeter() {
39         return 2 * 3.14 * _r;
40     }
41     
42 }
43
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