Adding multiple jars to classpath on commandline [

Question

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• Including all the jars in a directory within the Java classpath 22 answers

I'm running Ubuntu and want to execute a Java file from terminal by including multiple jar files.

All my jars are included in tha jar folder.

I tried

javac -cp jar/A.jar: jar/B.jar: jar/C.jar: jar/D.jar MyFile.java

I get below error.

javac: invalid flag: jar/B.jar:
Usage: javac <options> <source files>
use -help for a list of possible option

Can anyone guide how to use multiple jars in classpath ?

Answer 1

Remove the spaces from the classpath and add the current path

javac -cp jar/A.jar:jar/B.jar:jar/C.jar:jar/D.jar:. MyFile.java

Since Java 6 you can use classpath wilcards

javac -cp jar/*:. MyFile.java

Answer 2

ClassPath set through command prompt will work only for current cmd window. Once you close it and open a new cmd window it will not work. Rather than setting classpath from command prompt, keep related paths to system properties:

For windows:

go to My Computer--> Properties--> Advance System Settings--> Environment Variables--> CLASSPATH--> put your path like this--> path1;path2;path3;. Don't forget to keep . (DOT) at the end.