jclassinfo(1) Provides information for Java class files.


jclassinfo [option] {classname | filename}


jclassinfo reads a class file and provides all sorts of information about it. file can be - then jclassinfo reads a classfile from standard input.


Output help information and exit.
Output version information and exit.
The path used to search for VM bootstrap classes.
The path used to search for the class if a class name is given.
Output xml (experimental).
Prints all information for the class.
Prints some general information about the class.
Print constant pool.
--visibility=<public | package | protected | private | synthetic>
The visibility to use when printing class fields/methods.
Print fields.
Print methods.
Enable code disassembly for methods (if compiled with disassembly support).
Show exception table and max stack and max locals for methods.
Show line numbers and local variables for methods.
Print class attributes.
Print packages referenced.
Print classes/interfaces referenced.
Print methods referenced.
--find-class {classname}
Find the file(s) that contains the given class(es).
Scan dependencies recursively.
Supress status messages.


No configuration files for the time being.


CLASSPATH is used to find classes if a class name is given instead of the filename. The --classpath option can be used to override this.

JAVA_HOME is used to find the default bootstrap classpath. The default bootstrap classes are assumed to be in JAVA_HOME/jre/lib/rt.jar. The --bootclasspath option can be used to override this.


To see what packages a class uses:

jclassinfo --packages /usr/share/java/MyClass.class

To see what packages the classes in myproject folder use:

jclassinfo --packages myproject/*.class


Nicos Panayides <[email protected]>


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