Java tutorial
//package com.java2s; /* * JBoss, Home of Professional Open Source. * Copyright 2014 Red Hat, Inc., and individual contributors * as indicated by the @author tags. * * 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.nio.ByteBuffer; public class Main { static void putString(final ByteBuffer buf, String value) { final int length = value.length(); putInt(buf, length); for (int i = 0; i < length; ++i) { buf.put((byte) value.charAt(i)); } buf.put((byte) 0); } static void putInt(final ByteBuffer buf, int value) { buf.put((byte) ((value >> 8) & 0xFF)); buf.put((byte) (value & 0xFF)); } }