java check java version
java -version #for jre version
javac -version # for java compiler version
java check java version
java -version #for jre version
javac -version # for java compiler version
how to check if java is installed
On Windows 10:
Start > Control Panel > Program > Java
If you can't see a Java option then you don't have Java installed.
Otherwise, this should open the Java Control Panel. Click the 'About'
button to view version information.
check Version of java
$ java -version
java version "1.8.0_121"
how to check the version of java installed on my computer
// If you have the Java Runtime Environment (JRE) version installed, run this command on your terminal(Command Prompt - for windows):
java -version
// If you have the Java Compiler version installed, run this command [still on your terminal(Command Prompt - for windows)]:
javac -version
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