Use eclipse to package and generate a. JAR File

To package a created Java project into a. jar file:

1. Select the project name, right-click and select Export

 

2. Select JAR File

3. Select the storage directory after the. jar file is generated.

4. Direct next

5. Select your main program. If you do not select the main program here, you must modify the configuration in manifest. MF after generating the. jar file and manually add the directory where the main program is located.

6. Click Finish. md5pro2. jar to generate it. Enter the md5pro2. Jar directory, provided that JDK has been installed and the Java-jar command is used.
Md5pro2. Jar

(My eclipse version is: Eclipse SDK version: 3.6.1 build ID: M20100909-0800)