Here you can find the source of toHEX(String ostr)
public static String toHEX(String ostr)
//package com.java2s; /*/*from w ww. java 2 s .co m*/ * Copyright 2006-2007 original author or authors. * * 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 String toHEX(String ostr) { StringBuffer rst = new StringBuffer(); for (int i = 0; i < ostr.length(); i++) { rst.append(Integer.toHexString(ostr.charAt(i)).toUpperCase()); } return rst.toString(); } }