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import java.util.*;­
public class Day {­
    public static void main(String[] args) {­
        int year=0;    //Äê·Ý­
        int month=0;    //Ô·ݭ
        String yearCharacteristic;    //ʲôÄê­
        int monthDay=0;    //Ò»¸öÔµÄÌìÊý­
        int yearCount=0;    //´Ó1900Äêµ½ËùÊäÈëÄê·Ý1ÔÂ1ÈÕµÄÌìÊý­
        int monthCount=0;    //ËùÊäÈëÔ·ݵ½µ±Äê1ÔÂ1ÈÕµÄÌìÊý­
        int sumDay=0;    //×ܵÄÌìÊý­
        int weekDay=0;    //ÊäÈëÔ·ݵĵÚÒ»ÌìÊÇÐÇÆÚ¼¸­
­
        System.out.println("******************»¶ Ó­ ʹ Óà Íò Äê Àú******************\n");­
        Scanner input=new Scanner(System.in);­
        System.out.print("ÇëÑ¡ÔñÄê·Ý£º");­
        year=input.nextInt();­
        System.out.println("");­
        System.out.print("ÇëÑ¡ÔñÔ·ݣº");­
        month=input.nextInt();­
­
        //ÅжÏÄê·Ý­
       if(year%4==0 && year%100!=0 || year%400==0){­
           yearCharacteristic="ÈòÄê";­
       }else{­
     &n


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  1  String command  =   " cmd /c C:/Program Files/MySQL/MySQL Server 5.0/bin>mysqldump -h localhost -u root -p aijia > E:/aijia.dmp " ;
  2      try    {
  3     Process process& ......

Java֮staticѧϰ

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//Example 1 Tst.java£¬no main() method
package com.blogchina.qb2049;
public class Tst
{
static { System.out.println("111111"); }
}
ÔËÐнá¹ûΪ: 111111
Exception in thread "main" java.lang.NoSuchMethodError: main
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javaÖйØÓÚʱ¼äÈÕÆÚ²Ù×÷µÄ³£Óú¯Êý

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Calendar time=Calendar.getInstance();
time.clear();
time.set(Calendar.YEAR,year);
time.set(Calendar.MONTH,i-1);//×¢Òâ,Calendar¶ÔÏóĬÈÏÒ»ÔÂΪ0            
int day=time.getActualMaximum(Calendar.DAY_OF_MONTH);//±¾Ô·ݵÄÌìÊý ......

Jconsole ºÍ jps ÎÞ·¨ÏÔʾ±¾µØ Java ½ø³ÌÁбí

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