Adding to the classpath on OSX

Question

Can anyone tell me how to add to the classpath on OSX

User · Answer

Normally there s no need for that  First of all   echo  CLASSPATH   If there s something in there  you probably want to check Applications -  Utilites -  Java

User · Answer

If you want to make a certain set of JAR files  or  class files  available to every Java application on the machine  then your best bet is to add those files to  Library Java Extensions   Or  if you want to do it for every Java application  but only when your Mac OS X account runs them  then use   Library Java Extensions instead   EDIT  If you want to do this only for a particular application  as Thorbj  rn asked  then you will need to tell us more about how the application is packaged

User · Answer

To specify a classpath for a single Java process  you can add a classpath option when you run the Java command  In you command line  Use java -cp  quot path to your jar   quot  main rather than just java main The option tells Java where to search for libraries

User · Answer

In OSX  you can set the classpath from scratch like this   export CLASSPATH  path to some jar  path to some other jar   Or you can add to the existing classpath like this   export CLASSPATH  CLASSPATH  path to some jar  path to some other jar   This is answering your exact question  I m not saying it s the right or wrong thing to do  I ll leave that for others to comment upon

User · Answer

If your shell is tcsh or csh  you can set it in  etc profile   Open terminal   vim  etc profile  and add the following line   setenv CLASSPATH  insert your classpath here

[java] Adding to the classpath on OSX

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