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    return Math.round(value*100)/100.0;
}
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java date

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 java.Text.SimpleDateFormat format = new java.Text.SimpleDateFormat("yyyy-MM-dd hh:mm:ss");//ÄãÏëÒªµÄ¸ñʽ
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 package edu.zzu.jdbc.Test;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import com.ambow.jdbc.entity.Student;
public class TestDBConn{
 
 public static void main(String args[]){
  
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