瞌睡虫的专栏

package com.color.program; import java.text.DateFormat; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; public class CompareTi

import java.awt.Color;import java.awt.Component;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.MouseAdapter;import java.awt.event.MouseEvent;import java.u

1.登陆系统用户 sqlplus 然后输入系统用户名和密码 登陆别的用户 conn 用户名/密码; 2.创建表空间 create tablespace 空间名 datafile c:"空间名 size 15M --表空间的存放路径,初始值为15M autoExtend on next 10M --空间的自动增长的值是10M permanent online; --永久使用 3.创建用户 cre

  public static void main(String[] args) throws ParseException {  String str = "yyyy-MM-dd 00:00:00.0";  String str1 = str.substring(0, 10);  /*   * 将yyyy-1-1转换成yyyy-01-01   */  SimpleDateFormat s

C:/>sqlplus  /nolog SQL>connect  /  as sysdbaSQL>alter user sys identified by ***;  SQL>alter user system identified by ***;   SQL>exit

package com.hefeng.test;      import java.text.DateFormat;  import java.text.ParsePosition;  import java.text.SimpleDateFormat;  import java.util.Calendar;  import java.util.Date;  import java.util.GregorianCalendar;    publicclass TimeTest {      //用来全局控制

<br />import java.io.File;<br />import java.io.FileInputStream;<br />import java.io.FileOutputStream;<br />import java.io.IOException;<br />import java.net.SocketException;<br />import org.apache.commons.net.ftp.FTPClient;<br />import org.apache.commons.ne

<br />import java.util.Timer;   <br />import java.util.TimerTask;   <br />public class EggTimer {      <br />    private final Timer timer = new Timer();   <br />    private final int minutes;   <br />    public EggTimer(int minutes) {    <br />       this