From 1978a1742ed3e7ff91872f795c9d862e4efeeb27 Mon Sep 17 00:00:00 2001
From: hmao <hmao@users.noreply.github.com>
Date: Thu, 5 Nov 2020 05:26:47 -0800
Subject: [PATCH] Update Java1.md

---
 Java1.md | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Java1.md b/Java1.md
index b6043e3..84b6d2f 100644
--- a/Java1.md
+++ b/Java1.md
@@ -28,7 +28,14 @@
   jmap -heap 1763  
 4. jstack 查看线程信息  
   jstack -l 1763  
-5. jcmd 执行 JVM 相关分析命令(整合命令)
+5. jcmd 执行 JVM 相关分析命令(整合命令)  
+  jcmd pid VM.version  
+  jcmd pid VM.flags  
+  jcmd pid VM.command_line 
+  jcmd pid VM.system_properties   
+  jcmd pid Thread.print  
+  jcmd pid GC.class_histogram  
+  jcmd pid GC.heap_info     
 6. jrunscript/jjs 执行 js 命令