Here you can find the source of readFileAsString(File file, String encoding)
public static String readFileAsString(File file, String encoding) throws IOException
//package com.java2s; //License from project: Open Source License import java.io.BufferedReader; import java.io.File; import java.io.FileInputStream; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; public class Main { public static String readFileAsString(File file) throws IOException { StringBuffer fileData = new StringBuffer(1000); BufferedReader reader = new BufferedReader(new FileReader(file)); char[] buf = new char[1024]; int numRead = 0; while ((numRead = reader.read(buf)) != -1) { fileData.append(buf, 0, numRead); }//w w w . ja va 2 s .c om reader.close(); return fileData.toString(); } public static String readFileAsString(File file, String encoding) throws IOException { StringBuffer fileData = new StringBuffer(1000); BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(file), encoding)); char[] buf = new char[1024]; int numRead = 0; while ((numRead = reader.read(buf)) != -1) { fileData.append(buf, 0, numRead); } reader.close(); return fileData.toString(); } }