设置CLASSPATH

Question

I am using Mac os Sierra 10.12.3 ,I want to execute the byte code on the Java(TM) Virtual Machine (JVM) I need to set the CLASSPATH, Using my terminal

CLASSPATH=</Users/.../Documents/jj2000/jj2000-4.1\ 3>/jj2000-4.1.jar:$CLASSPATH export CLASSPATH

show me

-bash: /jj2000-4.1.jar:: Permission denied

I am confusing with command line how can I set the CLASSPATH. My java is

java version "1.8.0_20-ea"
Java(TM) SE Runtime Environment (build 1.8.0_20-ea-b20)
Java HotSpot(TM) 64-Bit Server VM (build 25.20-b20, mixed mode)

Please help.

Answer 1

Don't, ever, set a global CLASSPATH environment variable. Pass the classpath to each java program you launch: each one has its own, specific classpath.

java -cp /path/to/jj2000-4.1.jar:your-application.jar com.yourcompany.youapp.Main