1The following are examples of j_package.d. 2 3This script will show you the number of times a class is loaded from 4particular packages. 5 6Here you can see it running when Code/Java/Func_abc runs. 7 8# j_package.d 9Tracing... Hit Ctrl-C to end. 10 11 PID LOADS PACKAGE 12 311500 1 . 13 311500 1 java/lang/annotation 14 311500 1 java/nio/charset/spi 15 311500 1 java/security/cert 16 311500 1 sun/net/www/protocol/jar 17 311500 1 sun/nio 18 311500 1 sun/reflect/misc 19 311500 1 sun/security/action 20 311500 1 sun/security/provider 21 311500 1 sun/security/util 22 311500 1 sun/util 23 311500 2 sun/net/www/protocol/file 24 311500 3 java/util/concurrent/atomic 25 311500 3 sun/net/www 26 311500 4 java/util/concurrent 27 311500 4 java/util/jar 28 311500 7 java/nio 29 311500 7 java/util/concurrent/locks 30 311500 7 java/util/zip 31 311500 8 java/nio/charset 32 311500 10 java/net 33 311500 12 java/lang/ref 34 311500 12 java/lang/reflect 35 311500 13 sun/nio/cs 36 311500 18 sun/reflect 37 311500 19 java/security 38 311500 34 sun/misc 39 311500 38 java/io 40 311500 46 java/util 41 311500 69 java/lang 42 43You can see that 69 classes from the java/lang package were loaded during the 44time this script was running. 45