????????????????
???????????? ???????[ 2013/9/17 15:48:00 ] ????????
???????д???????1??8??5??2??4??9??7??????????в?????????÷?????
????????????????
int[] a={1??8??5??2??4??9??7};
for(int i=0;i<a.length;i++){
for(int j=i+1;j<a.length;j++){
if(a[i]>a[j]){
//???????λ?y???????
int k=a[i];
a[i]=a[j];
a[j]=k;
}
}
System.out.print(a[i]+"??");
}
???????????????????????????????????????????????for????????????????????????????????????????????????е????????????????С????????????????????????????????????????
??????????????????????
//???????? ??? ?????????????????? ??????????????С????? ??¥??? ?????? ?????? ?????Ч
TreeMap demo = new TreeMap();
demo.put("1"??null);
demo.put("8"??null);
demo.put("5"??null);
demo.put("2"??null);
demo.put("4"??null);
demo.put("9"??null);
demo.put("7"??null);
Iterator it= demo.keySet().iterator();
while(it.hasNext()){
System.out.print(it.next()+"??");
}
it.remove();
demo.clear();
?????????????????????????????????????漰??
???????????????????????????????????綽????
????????????????????????
???????????????????????????????????
????1.????????????????oracle??DB2??MS SQL Server??Mysql????DDLд???????塣
????2.?г????????????????????????
????3.???????λ?????????????????漰?????????
????4.?г?????????????2012/3/1??2012/3/7????????????????
???????????漰?????п???????????????????????????????????????????????????????д???????IT?????????д???????????????????????????????????????????
??????
???·???
??????????????????
2023/3/23 14:23:39???д?ò??????????
2023/3/22 16:17:39????????????????????Щ??
2022/6/14 16:14:27??????????????????????????
2021/10/18 15:37:44???????????????
2021/9/17 15:19:29???·???????·
2021/9/14 15:42:25?????????????
2021/5/28 17:25:47??????APP??????????
2021/5/8 17:01:11