MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

public class MainClass {

    public static void main(String[] args) throws IOException {
        if (args.length != 1) {
            System.err.println("Usage: java FileTyper filename");
            return;
        }
        typeFile(args[0]);
    }

    public static void typeFile(String filename) throws IOException {
        FileInputStream fin = new FileInputStream(filename);
        try {
            copy(fin, System.out);
        } finally {
            fin.close();
        }
    }

    public static void copy(InputStream in, OutputStream out) throws IOException {

        byte[] buffer = new byte[1024];
        while (true) {
            int bytesRead = in.read(buffer);
            if (bytesRead == -1)
                break;
            out.write(buffer, 0, bytesRead);
        }
    }
}