Source of TextFileInputDemo2.java


  1: //TextfileInputDemo2.java
  2: 
  3: import java.io.File;
  4: import java.io.FileNotFoundException;
  5: import java.util.Scanner;
  6: 
  7: public class TextFileInputDemo2
  8: {
  9:     public static void main(String[] args)
 10:     {
 11:         System.out.print("Enter file name: ");
 12:         Scanner keyboard = new Scanner(System.in);
 13:         String fileName = keyboard.next();
 14:         Scanner inputStream = null;
 15:         try
 16:         {
 17:             inputStream = new Scanner(new File(fileName));
 18:         }
 19:         catch(FileNotFoundException e)
 20:         {
 21:             System.out.println("Error opening the file " + fileName + ".");
 22:             System.exit(0);
 23:         }
 24:         System.out.println("The file " + fileName + 
 25:             " contains the following lines:");
 26:         while (inputStream.hasNextLine())
 27:         {
 28:             String line = inputStream.nextLine();
 29:             System.out.println(line);
 30:         }
 31:         inputStream.close();
 32:     }
 33: }
 34: