Here you can find the source of startsWith(byte[] bytes, String text)
public static boolean startsWith(byte[] bytes, String text)
//package com.java2s; /* //from w w w . ja va2s . co m * Copyright 2003,2004,2005 Colin Crist * * 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. * */ public class Main { public static boolean startsWith(byte[] bytes, String text) { char[] chars = text.toCharArray(); if (chars.length > bytes.length) { return false; } else { for (int i = 0; i < chars.length; i++) { if (bytes[i] != chars[i]) { return false; } } return true; } } }