Java 20-2 recursively finding specific format files in a specific directory

1 /*2 requirement: Output the absolute path of all files ending in. java in the C:\Users\Administrator\Desktop\ record directory to the console3 Analysis:4 A: Encapsulate the directory5 B: Get file array for all files or folders in this directory6 C: Traverse the file array to get each file object7 D: Determine if the file object being traversed is a folder:8 yes: Go back to B and continue with the execution9 No: Judging whether to end with. JavaTen Yes: Output the absolute path of the file One No: Ignore A Summary: In the above analysis, if it is done by hand. Then, the B, C, D two steps can be set as a recursive method, the recursive method: - return type: void - parameter list: File xxx the export: End With. Java -  */ -  PackageZl_digui; -  + ImportJava.io.File; -  Public classFilepathdemo { +  A      Public Static voidMain (string[] args) { at         //Encapsulate This directory -File Allfile =NewFile ("c:\\users\\administrator\\desktop\\ record"); -              -         //Call Recursion - Getjavafile (allfile); -     } in     //establishing recursive methods -     Private Static voidgetjavafile (File allfile) { to          +         //get file array for all files or folders in this directory -file[] Arryfile =allfile.listfiles (); the          *         //iterate over the file array $          for(File file:arryfile) {Panax Notoginseng              -             //determine if it is a folder the             if(File.isdirectory ()) { +                 //if so, continue to use this folder as a directory to get a file array of files or folders inside it. A                 //That is, return to step b . the getjavafile (file); +             } -             Else{ $                 //if it is not a folder, but a file, decide whether to end with. Java $                 if(File.getname (). EndsWith (". Java")){ -                     //Yes, then output its absolute path. - System.out.println (File.getabsolutepath ()); the                 } -             }Wuyi         } the  -     } Wu      -}

Java 20-2 recursively finding specific format files in a specific directory