从Jar执行

/*

 * 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.

 */// 来 自 时 代 J a v a - N o w J a v a . c o m

import java.io.FileInputStream;

import java.io.IOException;

import java.lang.annotation.Annotation;

import java.io.File;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import java.util.NoSuchElementException;

import java.util.jar.JarEntry;

import java.util.jar.JarInputStream;


public class Main{

    public static void main(String[] argv) throws Exception{

        System.out.println(isExecutedFromJar());

    }/*来自 N o w J a v a . c o m*/