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import java.io.*;
public class X_
{
int 809;
int n,m;
String s;
try{
BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
s= in.readLine();
n=Integer.parseInt(s);
}catch(Exception e){}
while(n>=10&&n <=99)
{
System.out.println("Á½Î»ÊýΪ:"+n);
m=809*n;
System.out.println(m="+n);
}
}

Java code:

public class Number
{
int x=10;
public int Num()
{
for(int i = 0;i<90;i++)
{
if(809*x!=800*x+9*x+1)
{
x++;
}
else
{
return x;
}
}
return x;

}
public static void main(String args[])
{
Number num = new Number();
num.Num();
System.out.println(num.x);
}
}


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java³ÌÐòÁ¬½ÓSQlServerµÄÎÊÌâ - Java / Java SE

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import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
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javaÔõôÁ¬½ÓOracle£¬¼±°¡ - Java / JavaÏà¹Ø

private static final String URL = "jdbc:oracle:thin:@localhost:1521:orcl";
private static final String USERNAME = "sys";
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execlÔõôµ÷ÓÃjava³ÌÐò - C/C++ / CÓïÑÔ

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mysqlÊý¾Ý¿â - Java / JavaÏà¹Ø

CREATE DATABASE ADDRESSLIST;
USE ADDRESSLIST;
DROP TABLE IF EXISTS FRIEND;
CREATE TABLE FRIEND
  (FRIEND_ID INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY ,
FRIEND_NAME VARCHAR(20) NOT N ......
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