Java tutorial
//package com.java2s; /* * Copyright (C) 2016 android@19code.com * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.content.Context; import java.io.BufferedReader; import java.io.Closeable; import java.io.File; import java.io.FileReader; import java.io.IOException; import java.io.InputStreamReader; public class Main { public static BufferedReader readFile(Context context, String fileName) { BufferedReader br = null; StringBuffer stringBuffer = new StringBuffer(); try { br = new BufferedReader(new InputStreamReader(context.getAssets().open(fileName))); } catch (IOException e) { e.printStackTrace(); } finally { try { if (br != null) { br.close(); } } catch (IOException ex) { ex.printStackTrace(); } } return br; } public static String readFile(String filename) { File file = new File(filename); BufferedReader bufferedReader = null; String str = null; try { if (file.exists()) { bufferedReader = new BufferedReader(new FileReader(filename)); str = bufferedReader.readLine(); } } catch (IOException e) { e.printStackTrace(); } finally { closeIO(bufferedReader); } return str; } public static void closeIO(Closeable... closeables) { if (null == closeables || closeables.length <= 0) { return; } for (Closeable cb : closeables) { try { if (null == cb) { continue; } cb.close(); } catch (IOException e) { e.printStackTrace(); } } } }