FreeKB - Java Programming Understanding classpath
Java Programming - Understanding classpath

Simply put, CLASSPATH is a variable that contains a directory, like this:

# Linux

# Windows


Typically, JARs are located in the CLASSPATH directory. A Java application uses CLASSPATH to know what directory contains the JARs.

# Linux

# Windows


On Linux, this command will temporarily update the CLASSPATH variable to contain a certain directory.



The echo command can be used to verify that CLASSPATH now contains /opt/jars.



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