JDK using built-in tools
A, javah command (C Header and Stub File Generator)
二、jps命令(Java Virtual Machine Process Status Tool)
Three, jstack command (Java Stack Trace)
Four, jstat command (Java Virtual Machine Statistics Monitoring Tool)
Five, jmap command (Java Memory Map)
Six, jinfo command (Java Configuration Info)
七、jconsole命令(Java Monitoring and Management Console)
八、jvisualvm命令(Java Virtual Machine Monitoring, Troubleshooting, and Profiling Tool)
Nine, jhat command (Java Heap Analyse Tool)
Ten, Jdb command (The Java Debugger)