how to set class path for more than one jar is used in command prompt in java

Question

i am developing a program,for that want to use more than one jar(Example servlet.jar and mysql.jar) i know how to import them in using Eclipse IDE. but not in cmd prompt. Can anybody help me for this thanks in advance...

Check-out this http://stackoverflow.com/questions/219585/setting-multiple-jars-in-java-classpath — Miko, Jul 29 '14 at 06:25

score 6 · Accepted Answer · answered Jul 29 '14 at 06:21

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For multiple jars you can do

java -cp "path1/servlet.jar;path2/mysql.jar" yourPackage.Class

Or put all jars in one folder (let it be path1/lib) and do something like following

java -cp "path1/lib/*" yourPackage.Class

Note : classpath wildcards can be used only in Java 6 or later.

answered Jul 29 '14 at 06:21

Aniket Thakur

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Please note that the syntax is error prone. The "path1/lib/*" will work, something like "path/lib/MySQL*" probably not. Also I mean to remember that the seperator between the JARs is platform depending (not 100% sure). – Arne Deutsch Jul 29 '14 at 06:32
thanks for a clarification ;(semi colon) only used to seperate 2 jars, am i correct. – Saravanamanikandan Jul 29 '14 at 06:44
Nope any two path.. not just the jars. You can include two directories as well. – Aniket Thakur Jul 29 '14 at 06:45
In similar way we can add several path seperated by ;(semi colon) in value field for the classpath variable in environmental variable also na – Saravanamanikandan Jul 29 '14 at 06:53
Yup same way in Windows. In linux I think it is `:` – Aniket Thakur Jul 29 '14 at 06:57

score 1 · Answer 2 · answered Jul 29 '14 at 06:21

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If you want to create a new classpath, write this:

set CLASSPATH=classpath1;

You can see all your classpaths if you type only this:

set

answered Jul 29 '14 at 06:21

njank

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yeppp!! thanks for the set command Jankie – Saravanamanikandan Jul 29 '14 at 06:58

score 1 · Answer 3 · answered Jul 29 '14 at 06:28

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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.

answered Jul 29 '14 at 06:28

Shailesh Saxena

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oh thanks Shailesh, Your syntax little bit confusing me can give a example. – Saravanamanikandan Jul 29 '14 at 06:37
i understood Shailesh.. thanks for the answer – Saravanamanikandan Jul 29 '14 at 06:59

score 1 · Answer 4 · answered Jul 29 '14 at 06:54

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you can set your class path using cmd prompt like :-

set classpath=(dir of classpath1);(dir of classpath2);(dir of class path3);%CLASSPATH%

answered Jul 29 '14 at 06:54

Deepanshu J bedi

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score 0 · Answer 5 · answered Jul 29 '14 at 06:25

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In enviorment variables , make a new variable named classpath and in value field write as much path you want but seperate them by semicolon.

answered Jul 29 '14 at 06:25

Ajit Singh

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how to set class path for more than one jar is used in command prompt in java

5 Answers5