@Override
	public int hashCode() {
		return
			hash(_osName,
			hash(_osVersion,
			hash(_osArch,
			hash(_javaVersion,
			hash(_javaRuntimeName,
			hash(_javaRuntimeVersion,
			hash(_javaVMName,
			hash(_javaVMVersion))))))));
	}
Return the Java VM version.

@return the Java VM version
jenetics.tool/src/main/java/io/jenetics/tool/trial/Env.java