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/**
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* Description: ÏòÊý¾Ý¿âÖÐдÈë¶ÔÏó²âÊÔ³ÌÐò
* Copyright: Copyright 2009 ufgov, Inc.
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1.JVMµÄgc¸ÅÊö
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3.Sun HotSpot
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¡¡¡¡Sun HotSpot 1.4.1ʹÓ÷ִúÊÕ¼¯Æ÷£¬Ëü°Ñ¶Ñ·ÖΪÈý¸öÖ÷ÒªµÄÓò£ºÐÂÓò¡¢¾ÉÓòÒÔ¼°ÓÀ¾ÃÓò¡£JvmÉú³ÉµÄËùÓÐжÔÏó·ÅÔÚÐÂÓòÖС£Ò»µ©¶ÔÏó¾ÀúÁËÒ»¶¨ÊýÁ¿µÄÀ¬»øÊÕ¼¯Ñ»·ºó£¬±ã»ñµÃʹÓÃÆÚ²¢½øÈë¾ÉÓò¡£ÔÚÓÀ¾ÃÓòÖÐjvmÔò´æ´¢classºÍmethod¶ÔÏó¡£¾ÍÅäÖöøÑÔ£¬ÓÀ¾ÃÓòÊÇÒ»¸ö¶ÀÁ¢Óò²¢ÇÒ²» ......
import java.io.*;
class FileTest
{
public static void main(String[] args) throws Exception
{
//File f=new File("1.txt");
//f.createNewFile();
//f.mkdir();
//File f=new File("E:\\JavaLesson\\Lesson7\\1.txt");//ÔÚWindowsϵͳÏÂ,Óþø¶Ô ......