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Why some java classes starts with underscore(Ex: _Test)

Srinivas Palam
Ranch Hand

Joined: Oct 20, 2005
Posts: 55
public class Test extends _Test {
Some methods and statements
Hebert Coelho
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Joined: Jul 14, 2010
Posts: 754

I have never seen some pattern like that.

The only name pattern with _ that I have seen is the JPA Canonical Metamodel.

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Paul Clapham

Joined: Oct 14, 2005
Posts: 19351

That would be because the person who created the class decided to start its name with an underscore. Nothing else. It doesn't mean anything specific in the Java language, although it might mean something in the mind of the person who wrote the class.
Rob Spoor

Joined: Oct 27, 2005
Posts: 19914

Likewise, and those end with _, not start with it.
[Edit]In response to Hebert

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Campbell Ritchie

Joined: Oct 13, 2005
Posts: 41106
Underscores starting names were standard practice in some C/C++ conventions. The corresponding Java convention is in this page, ยง13.
I agree. Here's the link:
subject: Why some java classes starts with underscore(Ex: _Test)