How to know with which Java version Jar is created? [duplicate]
General Tech Bugs & Fixes 2 years ago
Posted on 16 Aug 2022, this text provides information on Bugs & Fixes related to General Tech. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
Answers (2)
manpreet 2 years ago
On Linux, Mac OS X or Windows with Cygwin installed, the file(1) command knows the class version.
$ file ./org/apache/log4j/Appender.class
./org/apache/log4j/Appender.class: compiled Java class data, version 45.3And if you are relegated to a Windows environment without either file or grep
> javap -v ./org/apache/log4j/Appender.class | findstr major
major version: 45Reference: What version of javac built my jar?
No matter what stage you're at in your education or career, TuteeHub will help you reach the next level that you're aiming for. Simply,Choose a subject/topic and get started in self-paced practice sessions to improve your knowledge and scores.
Which operating system you favour and why?
General Tech 10 Answers
What are the most popular tech portals in India?
General Tech 7 Answers
What are best technologies available today for education / aiding learning?
General Tech 3 Answers
What professional training certifications are most marketable?
General Tech 9 Answers
manpreet![Tuteehub forum best answer]()
Best Answer
2 years ago
This question already has an answer here:
I have a java jar file. How can I check with which version of java , the jar file got created which build was performed. There was a recent Java upgrade happened on my system from Java Version 1.6 to Java version 1.8 and a Jar file stopped working.