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Determine File or Directory

  1. /*
  2.   Determine if it's a File or Directory
  3.   This Java example shows how to determine if a particular file object denotes a
  4.   file or directory of filesystem using isFile and isDirectory
  5.   methods of Java File class.
  6. */
  7.  
  8. import java.io.*;
  9.  
  10. public class DetermineDirOrFile {
  11.  
  12.   public static void main(String[] args) {
  13.    
  14.     //create file object
  15.     File file = new File("C://FileIO");
  16.    
  17.     /*
  18.      * To check whether File object denotes a file or not, use
  19.      * boolean isFile() method of Java File class.
  20.      *
  21.      * This method returns true if the file EXISTS and its a normal file.
  22.      */
  23.    
  24.      boolean isFile = file.isFile();
  25.      if(isFile)
  26.        System.out.println(file.getPath() + " is a file.");
  27.      else
  28.       System.out.println(file.getPath() + " is not a file.");
  29.      
  30.     /*
  31.      * To check whether File object denotes a directory or not, use
  32.      * boolean isDirectory() method of Java File class.
  33.      *
  34.      * This method returns true if the directory EXISTS and its a directory.
  35.      */
  36.    
  37.      boolean isDirectory = file.isDirectory();
  38.      if(isDirectory)
  39.       System.out.println(file.getPath() + " is a directory.");
  40.      else
  41.       System.out.println(file.getPath() + " is not a directory.");
  42.      
  43.   }
  44. }
  45.  
  46. /*
  47. Output would be
  48. C:\FileIO is not a file.
  49. C:\FileIO is a directory.
  50. */