cmd running 'java -version' prompts that the main class cannot be found or cannot be loaded

Problem:

Input: java -version Error

Error: Main class-version cannot be found or cannot be loaded

(Related video tutorial sharing: java video tutorial)

Solution:

Under system variables, create a new CLASSPATH variable and add

.;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar;

Note: Add ## at the beginning.; at the end #;Next time you run it, restart cmd and then run java -version.

Related tutorial sharing:

The above is the detailed content of cmd running 'java -version' prompts that the main class cannot be found or cannot be loaded. For more information, please follow other related articles on the PHP Chinese website!