The following are examples of j_package.d.
This script will show you the number of times a class is loaded from
particular packages.
Here you can see it running when Code/Java/Func_abc runs.
Tracing... Hit Ctrl-C to end.
PID LOADS PACKAGE
311500 1 .
311500 1 java/lang/annotation
311500 1 java/nio/charset/spi
311500 1 java/security/cert
311500 1 sun/net/www/protocol/jar
311500 1 sun/nio
311500 1 sun/reflect/misc
311500 1 sun/security/action
311500 1 sun/security/provider
311500 1 sun/security/util
311500 1 sun/util
311500 2 sun/net/www/protocol/file
311500 3 java/util/concurrent/atomic
311500 3 sun/net/www
311500 4 java/util/concurrent
311500 4 java/util/jar
311500 7 java/nio
311500 7 java/util/concurrent/locks
311500 7 java/util/zip
311500 8 java/nio/charset
311500 10 java/net
311500 12 java/lang/ref
311500 12 java/lang/reflect
311500 13 sun/nio/cs
311500 18 sun/reflect
311500 19 java/security
311500 34 sun/misc
311500 38 java/io
311500 46 java/util
311500 69 java/lang
You can see that 69 classes from the java/lang package were loaded during the
time this script was running.