急求cannot be resolved怎么改呀?

来源：学生作业帮编辑：作业帮分类：综合作业时间：2024/05/17 04:59:13

急求cannot be resolved怎么改呀?
import java.sql.*;
public class Ss {
public static void main(String[] args) {
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");}
catch(ClassNotFoundException e){}
Connection con=DriverManager.getConnection("jdbc:odbc:ee");
try{Statement sql=con.createStatement();}
catch(SQLException e){}
ResultSet rs=sql.executeQuery("select * from cc");
}
}

嗯.这个问题很有深度,经过我代码粘贴和MyEclipse测试,终于知道什么问题了.主要是ResultSet rs=sql.executeQuery("select * from cc");中sql没有定义,因为sql在try,catch范围内,需要把这条与句改为：
try{
Connection con=DriverManager.getConnection("jdbc:odbc:ee");
Statement sql=con.createStatement();
ResultSet rs=sql.executeQuery("select * from cc");}
catch(SQLException e){
}

R.id cannot be resolved cannot be resolved什么意识 java错误i cannot be resolved ActionListenter cannot be resolved to a type javax.servlet.jsp.JspException cannot be resolved to a type JAVA中报错i cannot be resolved to a variable The type javax.servlet.ServletContext cannot be resolved.It The remote name could not be resolved: 'platform.怎么解决? be resolved to是什么意思及反义词英语翻译：请问您：resolved, 在合同中,放在句首：RESOLVED,通常应该怎么翻译? 英语翻译Cannot touch,Cannot hold,Cannot be together Cannot love, 英语翻译RESOLVED,that theBank be and hereby is authorized,withou