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wat r legacy classes in JAVA

kotha vijaybabu
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Joined: Jan 28, 2006
Posts: 77
hi, all

i hav a question abt wat are LEGACY CLASSES IN JAVA

can anybody explain...


thanx in advance


cheers

vijay

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Paul Santa Maria
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Joined: Feb 24, 2004
Posts: 236
I've never heard of "legacy classes" in Java.

Perhaps you mean "deprecated classes" (classes provided for backwards compatbility with earlier versions, but which you're discouraged from using in any new code that you write).

Or perhaps you mean that (new) Java programs can "wrap" legacy applications (such as old IBM CICS applications), permitting old programs to run in newer environments.

'Hope that helps .. PSM
kotha vijaybabu
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Joined: Jan 28, 2006
Posts: 77
thanx santa mariaaa
Layne Lund
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Joined: Dec 06, 2001
Posts: 3061
Or perhaps you mean old classes that someone else wrote many years ago. The term "legacy" is used in this context quite often as in "legacy code". This simply refers to code that was written previously and is still in use.

Layne


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Chris Hendy
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Joined: Mar 04, 2006
Posts: 98
In his book Working Effectively with Legacy Code, Michael Feathers defines legacy code as code without unit tests. Bear in mind that this is his personal definition, but the more people that read his book the wider its usage is likely to spread.
 
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