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How to list out all the methods from external .java file

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1

In my spring application i need to identify the methods in a java file which is saved in a temporary location(Files not in the current project)

eg: C:UsersGuestDesktopFile.java i need to get the all the methods in this file

is there a way to change the below code or any other methods

ClassName t = new ClassName();

 Class tClass = t.getClass();
 Method[] methods = tClass.getMethods();
 for (int i = 0; i < methods.length; i++) 
 System.out.println("public method: " + methods[i]);
 

java spring spring-boot

share|improve this question

asked Mar 23 at 21:48

Saneth ChandrasekaraSaneth Chandrasekara

329211

• 
  
  
  

  
  3
  

  
  
  
  
  
  

  
  
  Either compile the .java file, and then you can use the reflection approach, or if all you really need is the method names, you should be able to derive a regular expression to parse the file.
  
  – KevinO
  Mar 23 at 22:12
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  As @KevinO says use the reflection !! take a look at this article link
  
  – Denoxus
  Mar 23 at 22:39
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Or use a language recognition tool such as ANTLR 4.
  
  – Basil Bourque
  Mar 24 at 0:03
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Hi @KevinO I need all the parameters return types and exceptions too
  
  – Saneth Chandrasekara
  Mar 24 at 8:39
  

  
  
  
  

add a comment | 

1

In my spring application i need to identify the methods in a java file which is saved in a temporary location(Files not in the current project)

eg: C:UsersGuestDesktopFile.java i need to get the all the methods in this file

is there a way to change the below code or any other methods

ClassName t = new ClassName();

 Class tClass = t.getClass();
 Method[] methods = tClass.getMethods();
 for (int i = 0; i < methods.length; i++) 
 System.out.println("public method: " + methods[i]);
 

java spring spring-boot

share|improve this question

asked Mar 23 at 21:48

Saneth ChandrasekaraSaneth Chandrasekara

329211

• 
  
  
  

  
  3
  

  
  
  
  
  
  

  
  
  Either compile the .java file, and then you can use the reflection approach, or if all you really need is the method names, you should be able to derive a regular expression to parse the file.
  
  – KevinO
  Mar 23 at 22:12
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  As @KevinO says use the reflection !! take a look at this article link
  
  – Denoxus
  Mar 23 at 22:39
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Or use a language recognition tool such as ANTLR 4.
  
  – Basil Bourque
  Mar 24 at 0:03
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Hi @KevinO I need all the parameters return types and exceptions too
  
  – Saneth Chandrasekara
  Mar 24 at 8:39
  

  
  
  
  

add a comment | 

In my spring application i need to identify the methods in a java file which is saved in a temporary location(Files not in the current project)

eg: C:UsersGuestDesktopFile.java i need to get the all the methods in this file

is there a way to change the below code or any other methods

ClassName t = new ClassName();

 Class tClass = t.getClass();
 Method[] methods = tClass.getMethods();
 for (int i = 0; i < methods.length; i++) 
 System.out.println("public method: " + methods[i]);
 

java spring spring-boot

share|improve this question

asked Mar 23 at 21:48

Saneth ChandrasekaraSaneth Chandrasekara

329211

ClassName t = new ClassName();

 Class tClass = t.getClass();
 Method[] methods = tClass.getMethods();
 for (int i = 0; i < methods.length; i++) 
 System.out.println("public method: " + methods[i]);
 

share|improve this question

asked Mar 23 at 21:48

Saneth ChandrasekaraSaneth Chandrasekara

329211

share|improve this question

asked Mar 23 at 21:48

Saneth ChandrasekaraSaneth Chandrasekara

329211

asked Mar 23 at 21:48

Saneth ChandrasekaraSaneth Chandrasekara

329211

asked Mar 23 at 21:48

Saneth ChandrasekaraSaneth Chandrasekara

329211