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1   /*
2    * Created on 29.04.2005 from Linke
3    *
4    */
5   package test.crispy.example.service;
6   
7   /**
8    * @author Linke
9    *
10   */
11  public class CalculatorImpl implements Calculator {
12  
13  	/**
14  	 * @see test.crispy.example.service.Calculator#add(java.lang.Integer, java.lang.Integer)
15  	 */
16  	public int add(int a, int b) { return a + b; }
17  
18  	/**
19  	 * @see test.crispy.example.service.Calculator#add(java.lang.Long, java.lang.Long)
20  	 */
21  	public long add (long a, long b) { return a + b; }
22  	
23  	/**
24  	 * @see test.crispy.example.service.Calculator#add(java.lang.Long, java.lang.Long)
25  	 */
26  	public double add (double a, double b) { return a + b; }
27  
28  	/**
29  	 * @see test.crispy.example.service.Calculator#subtract(java.lang.Integer, java.lang.Integer)
30  	 */
31  	public int subtract(int pvA, int pvB) {
32  		return pvA - pvB;
33  	}
34  
35  	public Long addLong (Long a, Long b) {
36  		if (a == null || b == null) {
37  			return null;
38  		} else {
39  			return new Long(a.longValue() + b.longValue());
40  		}
41  	}
42  	
43  	
44  
45  }