Java™ Application Development on Linux - Dator

5.9 The Java Debugger149Example 5.16 The Java debugger help command output$ jdb GetUserInitializing jdb ...> help** command list **run [class [args]]-- start execution of application's main classthreads [threadgroup] -- list threadsthread -- set default threadsuspend [thread id(s)] -- suspend threads (default: all)resume [thread id(s)] -- resume threads (default: all)where [thread id] | all -- dump a thread's stackwherei [thread id] | all -- dump a thread's stack, with pc infoup [n frames]-- move up a thread's stackdown [n frames]-- move down a thread's stackkill -- kill a thread with the given exception objectinterrupt -- interrupt a threadprint dump eval set = localsclassesclass methods fields threadgroupsthreadgroup -- print value of expression-- print all object information-- evaluate expression (same as print)-- assign new value to field/variable/array element-- print all local variables in current stack frame-- list currently known classes-- show details of named class-- list a class's methods-- list a class's fields-- list threadgroups-- set current threadgroupstop in .[(argument_type,...)]-- set a breakpoint in a methodstop at : -- set a breakpoint at a lineclear .[(argument_type,...)]-- clear a breakpoint in a methodclear : -- clear a breakpoint at a lineclear-- list breakpointscatch [uncaught|caught|all] -- break when specified exception occursignore [uncaught|caught|all] -- cancel 'catch' for the specified exceptionwatch [access|all] .-- watch access/modifications to a fieldunwatch [access|all] .-- discontinue watching access/modifications to a fieldtrace methods [thread] -- trace method entry and exit