How to Debug java program from command line tool JDB
Sorry for the bad audio.
in this video i have demonstrated how to debug java program
from command line tool jdb( java Debugger) that comes along with the JDK installation.
its very easy to use
simple commands are like
jdb classname --run the class in VM
jdb -dbgtrace classname -- print info for debugging
we can set break point to locate our problematic code in our program and the command for setting break point
jdb Test
stop at class-name:line-number
or
stop in class-name: method-name
we can provide other command like
step into
step over
step out etc
so its a pretty hand tool for debugging our java program and locate the faulty code
jdb uses JDI- JDI uses JDWP - JDWP uses JVMTI to access the vm and
inspect the program
thank you for watching
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