Java BufferedReader Read readFile(String fileName)

Description

read File

License

Open Source License

Declaration

public static String readFile(String fileName) throws IOException 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.io.*;

public class Main {
    public static String readFile(String fileName) throws IOException {
        if (fileName == null)
            throw new IOException("filename is null");

        FileReader fr = new FileReader(fileName);
        BufferedReader br = new BufferedReader(fr);
        StringBuilder buffer = new StringBuilder();

        String nextLine;//from  w  w w  .  j av  a2  s . c  om
        while ((nextLine = br.readLine()) != null)
            buffer.append(nextLine).append("\n");

        //Remove final newline
        if (buffer.length() > 0 && buffer.charAt(buffer.length() - 1) == '\n')
            buffer.deleteCharAt(buffer.length() - 1);

        br.close();
        fr.close();

        return buffer.toString();
    }
}

Related

1. readFile(String fileName)
2. readFile(String filename)
3. readFile(String filename)
4. readFile(String fileName)
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7. readFile(String fileName)
8. readFile(String fileName)
9. readFile(String fileName)