Java#

Java Bytecode#

Java Version

Bytecode Version

1.0

45

1.1

45

1.2

46

1.3

47

1.4

48

5

49

6

50

7

51

8

52

9

53

10

54

11

55

To check bytecode version:

$ javap -classpath /usr/lib64/jss/jss.jar -verbose org.mozilla.jss.CryptoManager | grep version:
$ javap -classpath /usr/share/java/ldapjdk.jar -verbose netscape.ldap.LDAPv3 | grep version:
$ javap -classpath /usr/share/java/tomcatjss.jar -verbose org.apache.tomcat.util.net.jss.TomcatJSS | grep version:
$ javap -classpath /usr/share/pki/lib/pki-certsrv.jar -verbose com.netscape.certsrv.client.PKIClient | grep version:

See also Class File Versions.

Java Development Kit#

Java Packaging#

Java Debugging#

Java Profilers#

References#