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jhat heap dump parsing tests:

There are three hprof binary format dump files in this directory.
These dumps were created by jmap and hprof profiler against a
simple infinite looping Java program.

1. minimal.bin - minimal dump that has nothing! - not even java.lang.Class!
  - This was created by java -Xrunhprof:format=b,heap=sites MainClass. 

2. jmap.bin - created by jmap -dump option

3. hprof.bin - created by java -Xrunhprof:heap=all,format=b MainClass

We can run jhat -parseonly true <dump-file> against these dumps. 

 Name                                                                               Last modified      Size  
 Parent Directory                                                                                        -   
 HatHeapDump1Test.java                                                              21-Jan-2021 01:04  1.7K  
 HatRun.java                                                                        21-Jan-2021 01:04  7.1K  
 HelloWorld.java                                                                    21-Jan-2021 01:04  1.7K  
 ParseTest.sh                                                                       21-Jan-2021 01:04  1.9K  
 README.TXT                                                                         21-Jan-2021 01:04  531   
 hprof.bin                                                                          21-Jan-2021 01:04  276K  
 jmap.bin                                                                           21-Jan-2021 01:04  1.7M  
 minimal.bin                                                                        21-Jan-2021 01:04   65K  

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