Simplify the code in TextReader by using java.util.Scanner : Scanner « File Input Output « Java






  1. Java
  2. File Input Output
  3. Scanner

Simplify the code in TextReader by using java.util.Scanner

 

import java.io.File;
import java.util.Scanner;

public class Main {

  static void readFile(String fileName) throws Exception {
    File file = new File(fileName);
    Scanner scanner = new Scanner(file);
    while (scanner.hasNext()) {
      System.out.println(scanner.next());
    }
    scanner.close();
  }

  public static void main(String[] args) throws Exception{
    if (args.length != 1) {
      System.err.println("usage: java TextScanner1" + "file location");
      System.exit(0);
    }
    readFile(args[0]);
  }
}








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