MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

/*
 * Output:
 *  
 */

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

public class MainClass {

    public static void main(String args[]) {

        try {
            FileReader fr = new FileReader(args[0]);

            BufferedReader br = new BufferedReader(fr);

            StreamTokenizer st = new StreamTokenizer(br);

            // Consider end-of-line as a token
            st.eolIsSignificant(true);

            // Declare variable to count lines
            int lines = 1;

            // Process tokens
            while (st.nextToken() != StreamTokenizer.TT_EOF) {
                switch (st.ttype) {
                case StreamTokenizer.TT_EOL:
                    ++lines;
                }
            }

            System.out.println("There are " + lines + " lines");

            fr.close();
        } catch (Exception e) {
            System.out.println("Exception: " + e);
        }
    }
}