Here you can find the source of toBytes(String string, Charset charset)
public static final byte[] toBytes(String string, Charset charset)
//package com.java2s; /**************************************************************** * Licensed to the Apache Software Foundation (ASF) under one * * or more contributor license agreements. See the NOTICE file * * distributed with this work for additional information * * regarding copyright ownership. The ASF licenses this file * * to you 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.nio.ByteBuffer; import java.nio.charset.Charset; public class Main { public static final byte[] toBytes(String string, Charset charset) { ByteBuffer buffer = charset.encode(string); byte[] results = new byte[buffer.limit()]; buffer.get(results);//from ww w. j av a 2 s .c om return results; } }