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工作学习 / 学科技术讨论 / what is a helper class ? i saw this term be frequently used in EJB,JPA..., in many other placeswhat is a helper class ? i saw this term be frequently used in EJB,JPA, in many other places, and it seems to me they have different meaning in different context.is it so ?
I found normal java classes are helper classes. why they are called helper classes? and they help whom ? can you please show me an example of a helper class and tell me how it helps ?
-unixer(a tough guy);
2010-8-9
{357}
(#6219984@0)
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就是一个fancy的名字，一般就是一个singleton的class，里面一大堆static methods。
-wolf888(wolf888);
2010-8-10
(#6220357@0)
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java.util.Collections
-wincity(toad 会英文的红卫兵);
2010-8-10
(#6220392@0)
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it could be used to hide the implementation details, or for other pattern elevant stuff, i.e proxy.... no matter what, the major purpose is to making the design working on interfaces.
-frankwoo(柳五随风);
2010-8-10
(#6221358@0)