preprocessor : Java Glossary

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©1996-2017 2008-04-08 Roedy Green of Canadian Mind Products

preprocessor
Java does not have an official preprocessor. You can alway use C/ C++’s, cpp. However, Java does guarantee to eliminate dead code inside an if like this: 
static final boolean DEBUGGING = false;

if ( DEBUGGING )
   {
   out.println( i );
   }
The code inside the if still has to be valid. Unfortunately you can’t use the technique, for example, to select one of two different import statements.

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