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"javac -version" vs "java -version"
What is the difference between "java -version" and "javac -version"?
Seth Kroger56,412 Points
"javac -version" checks for the Java compiler, which is only included with the Development Kit. It's quite possible to have a Java Runtime Environment (JRE) installed already to run other apps/website applets which includes the java command, so you want to specifically want to check for the presence of javac.
java -version gives you the version of the JDK you're running, I guess; where
javac -version is the compiler version.
I have no idea above that! Sorry!