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java:javap [2023/04/12 15:16] odeftajava:javap [2023/07/04 19:36] (current) – external edit 127.0.0.1
Line 54: Line 54:
 C:\JavaProject\src\main\java> javap -cp ../../../target/classes -c ro.medjava.generics.Erasure C:\JavaProject\src\main\java> javap -cp ../../../target/classes -c ro.medjava.generics.Erasure
 </code> </code>
 +
 +<note tip>-c parameter is used to display the disassembled code.</note>
  
 Result: Result:
Line 86: Line 88:
       22: return       22: return
 </code> </code>
- 
-<note tip>-c parameter is used to display the disassembled code.</note> 
  
 As we can see in the parameter list of doStuff1 and doStuff2 methods, the generic types survived after compilation.\\  As we can see in the parameter list of doStuff1 and doStuff2 methods, the generic types survived after compilation.\\ 
 Some consistency checking information still remains in the binary.\\  Some consistency checking information still remains in the binary.\\ 
 But in the main method, the array list passed to the doStuff2 method does not contain any generic type after compilation. But in the main method, the array list passed to the doStuff2 method does not contain any generic type after compilation.
 +
 +===== Use javap in Intellij IDEA =====
 +
 +Install the plugin "Class Decompile." (File / Settings / Plugins)
 +
 +{{:java:pasted:20230412-152124.png}}
 +
 +{{:java:pasted:20230412-152141.png}}
 +
 +Next, right click on your class and select "Show Decompile Code" option.
 +Result:
 +
 +{{:java:javap_erasure.png?nolink&1536×648}}
 +
 +
 +
 +
 +
 +
java/javap.1681301785.txt.gz · Last modified: 2023/07/04 19:36 (external edit)