Set eolIsSignificant : StreamTokenizer « File Input Output « Java

1. Java
2. File Input Output
3. StreamTokenizer

Set eolIsSignificant

 

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.StreamTokenizer;

class Main {
  public static void main(String args[]) throws Exception {
    FileReader fr = new FileReader(args[0]);
    BufferedReader br = new BufferedReader(fr);
    StreamTokenizer st = new StreamTokenizer(br);
    st.eolIsSignificant(true);
    int lines = 1;

    while (st.nextToken() != StreamTokenizer.TT_EOF) {
      switch (st.ttype) {
      case StreamTokenizer.TT_EOL:
        ++lines;
      }
    }
    System.out.println("There are " + lines + " lines");
    fr.close();
  }
}

   
  

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