Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import java.io.*;

public class Main {
    public static void delete(String filename, int startline, int numlines) {
        try {
            BufferedReader br = new BufferedReader(new FileReader(filename));

            //String buffer to store contents of the file
            StringBuffer sb = new StringBuffer("");

            //Keep track of the line number
            int linenumber = 1;
            String line;

            while ((line = br.readLine()) != null) {
                //Store each valid line in the string buffer
                if (linenumber < startline || linenumber >= startline + numlines)
                    sb.append(line + "\n");
                linenumber++;

            }

            if (startline + numlines > linenumber)
                System.out.println("End of file reached.");
            br.close();

            FileWriter fw = new FileWriter(new File(filename));
            //Write entire string buffer into the file
            fw.write(sb.toString());
            fw.close();
        } catch (Exception e) {
            System.out.println("Something went horribly wrong: " + e.getMessage());
        }
    }
}