Exception in thread "main" com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Table 'imooc.imooc' doesn't exist
?? ?at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
?? ?at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
?? ?at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
?? ?at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
?? ?at com.mysql.jdbc.Util.handleNewInstance(Util.java:404)
?? ?at com.mysql.jdbc.Util.getInstance(Util.java:387)
?? ?at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:942)
?? ?at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3966)
?? ?at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3902)
?? ?at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2526)
?? ?at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2673)
?? ?at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2545)
?? ?at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2503)
?? ?at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1369)
?? ?at com.iooc.db.DBUtil.main(DBUtil.java:22)

代碼如下package com.iooc.db;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;

public class DBUtil {
?? ?
?? ?private static final String URL="jdbc:mysql://127.0.0.1:3306/imooc";
?? ?private static final String USER="root";
?? ?private static final String PASSWORD="admin";
?? ?
?? ?public static void main(String[] args) throws Exception {
?? ??? ?
?? ??? ?//1、加載驅動程序
?? ??? ?Class.forName("com.mysql.jdbc.Driver");
?? ??? ?//2、獲得數據庫的連接
?? ??? ?Connection conn= DriverManager.getConnection(URL, USER, PASSWORD);
?? ??? ?//3、通過數據庫的連接操作數據庫，實現增刪改查
?? ??? ?Statement stmt= conn.createStatement();
?? ??? ?ResultSet rs= stmt.executeQuery("Select user_name,age from imooc_goddess");
?? ?? ?
?? ??? ?while(rs.next()){
?? ??? ??? ?System.out.println(rs.getString("user_name"+","+rs.getInt("age")));
?? ??? ??? ?
?? ??? ?}
?? ?}
?? ?
?? ?
}