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. */

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