Java实现邮件发送

package cn.itcast.classloader;

import java.io.FileInputStream;

import sun.net.spi.nameservice.dns.DNSNameService;

public class Demo1 {   //classpath rt.jar  ext

	/**
	 * @param args
	 */
	public static void main（String[] args） {

		/*ClassLoader c = Demo1.class.getClassLoader（）;
		System.out.println（c）;
		
		
		c = DNSNameService.class.getClassLoader（）;
		System.out.println（c）;
		
		
		c = String.class.getClassLoader（）;
		System.out.println（c）;
		*/
		
		Demo1 d = new Demo1（）;
		
	}

}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2015-01-23 15:18  day25资料
     文件         303  2011-04-13 10:13  day25资料1.txt
     文件     1290752  2010-08-13 08:48  day25资料Javamail开发.ppt
     目录           0  2015-01-23 15:18  day25资料day25
     文件         340  2011-04-13 11:19  day25资料day25.classpath
     文件         381  2011-04-13 10:50  day25资料day25.project
     目录           0  2015-01-23 15:18  day25资料day25in
     文件       36160  2011-04-13 11:20  day25资料day25in1.jpg
     目录           0  2015-01-23 15:18  day25资料day25incn
     目录           0  2015-01-23 15:18  day25资料day25incnitcast
     目录           0  2015-01-23 15:18  day25资料day25incnitcastclassloader
     文件         433  2011-04-13 17:00  day25资料day25incnitcastclassloaderDemo1.class
     目录           0  2015-01-23 15:18  day25资料day25incnitcastdemo
     文件        2298  2011-04-13 11:42  day25资料day25incnitcastdemoAttachMail.class
     文件        2702  2011-04-13 14:33  day25资料day25incnitcastdemoComplexMail.class
     文件        1744  2011-04-13 11:19  day25资料day25incnitcastdemoDemo1.class
     文件        2293  2011-04-13 14:15  day25资料day25incnitcastdemoImageMail.class
     文件        1563  2011-04-13 14:17  day25资料day25incnitcastdemoImageMail2.class
     文件        2374  2011-04-13 15:26  day25资料day25incnitcastdemoSendMail.class
     文件        1521  2011-04-13 14:06  day25资料day25incnitcastdemoSimpleMail.class
     文件     4789686  2011-04-13 11:37  day25资料day25in光辉岁月.mp3
     目录           0  2015-01-23 15:18  day25资料day25lib
     文件       56290  2011-04-13 11:19  day25资料day25libactivation.jar
     文件      436053  2011-04-13 11:19  day25资料day25libmail.jar
     目录           0  2015-01-23 15:18  day25资料day25src
     文件       36160  2011-04-13 11:20  day25资料day25src1.jpg
     目录           0  2015-01-23 15:18  day25资料day25srccn
     目录           0  2015-01-23 15:18  day25资料day25srccnitcast
     目录           0  2015-01-23 15:18  day25资料day25srccnitcastclassloader
     文件         525  2011-04-13 17:00  day25资料day25srccnitcastclassloaderDemo1.java
     目录           0  2015-01-23 15:18  day25资料day25srccnitcastdemo
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