--- a/java.rst	Thu Dec 24 00:16:41 2015 +0200
+++ b/java.rst	Fri Dec 25 17:56:37 2015 +0200
@@ -186,6 +186,17 @@
 
   $ kill -QUIT $PID
 
+Creating heap dump from Java application.
+=========================================
+
+Find pid of Java process::
+
+  $ jps -l -v
+
+Save dump to file::
+
+  $ jmap -dump:format=b,file=heap.dump $PID
+
 Debug class loading.
 ====================