import java.io.*;

import java.io.File;

import java.io.FileReader;

import java.io.FileNotFoundException;

import java.io.IOException;

class ReadFile1{

public static void main(String[] args) throws IOException{

BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

System.out.println(“Please input file’s name”);

String fileName = br.readLine();

if(args.length > 0){

fileName = args[0];

}

try {

BufferedReader reader = new BufferedReader(new FileReader(fileName));

while(true){

String line = reader.readLine();

if(line == null) break;

System.out.println(line);

}

reader.close();

}

catch(FileNotFoundException e){

System.out.println(“File Not Found !”);

}

catch(IOException e){

System.out.println(“Input ERROR !”);

}

}

}