Java tutorial
//package com.java2s; /* * Copyright (C) 2012 The Android Open Source Project * * 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 java.io.IOException; import java.io.InputStream; public class Main { /** * Implements InputStream.read(int) in terms of InputStream.read(byte[], int, int). * InputStream assumes that you implement InputStream.read(int) and provides default * implementations of the others, but often the opposite is more efficient. */ public static int readSingleByte(InputStream in) throws IOException { byte[] buffer = new byte[1]; int result = in.read(buffer, 0, 1); return (result != -1) ? buffer[0] & 0xff : -1; } }