数据库连接登录，老提示对象名Employee无效stringstrsql="selectE_PasswordfromEmployeewhereE_No='"+this.TextBox1.Text+"'andE_Password='"+this.TextBox2.Text+"'";SqlCommandcmd=newSqlCommand(st...

java初学者遇到的问题for(Employeee:employees)，请求大家帮助。privatestaticvoidwriteData(Employee[]employees,PrintWriterout)throwsIOException{//writenumberofemployeesout.println(employees.length);for(Employeee:employee...

list=Employee.search("");这句什么意思啊。懂的人帮忙看看啊。importjava.sql.*;importjava.util.*;publicclassEmployee{privatelongid;privateStringfirstName;privateStringlastName;privateStringtitle;privateStringad...

java.lang.NoSuchMethodException:Action[/employee]doesnotcontainspecifiedmeSpring配置文件Javacode<beanname="/employee"class="com.petclinic.struts.action.EmployeeAction"><proper...

使用迭代器时出现了错误：不兼容的类型：Object无法转换为Employee。求大神点播为什么？小弟新学Java，碰到了一个这样的问题，JDK是：JDK8，速度亮代码如下：importjava.util.ArrayList;importjava.util.Iterator;classEmployee{ protectedintmonth; protectedStringname; publicd...

hibernate“couldnotexecutequery”“Table'user.tab_employee'doesn'texist”hibernate测试报了堆错！哥哥们帮忙看看呀！小弟刚学，不会解决这些！INFO:Serverstartupin4843mslog4j:WARNNoappenderscouldbefoundforlogger(org.hibern...

定义并测试一个代表员工的Employee类。员工属性包括“编号”，“姓名”，“基本薪水”，“薪水增长额”，还包括计算薪水增长额以及计算增长后的工资总额的操作方法求高手给予程序案例！color='#e78608'>------解决方案--------------------publicclassEmployee{ privateintid; privateStringname; privatedou...

对于编辑时下拉框的显示 <selectname="darithy.employee.employeeId"value="${darithy.employee.employeeName}"> <c:forEachitems="${emplist}"var="employee"> <c:iftest="${employee==darithy.employee}"> ...

for(Enployeee:staff)什么意思啊？Employee[]staff=newEmployee[3];staff[0]=newEmployee("Carry",6000,1992,15,21);staff[1]=newEmployee("Tom",60000,1993,15,21);staff[2]=newEmployee("Jack&...

一个很白痴的语法问题databasedefinition:employee(employee_name,street,city)works(employee_name,company_name,salary)然后我的query是这个样子的：SQLcode(select*fromemployeeinnerjoinworksusing(employee_name))except(select*from...

初级for(Employeeemployee:list){ }怎么比较两个employee的id~color='#e78608'>------解决方案--------------------Javacodefor(inti=0;i<list.size();i++){Employeee1=(Employee)list.get(i);for(intj=i+1;j<list.s...

v2_10实现值对象和具备类型的数据 v2_10Implementingvalueobjectsandatypeddatamodel实现值对象和具备类型的数据 ? ex2_08 这部分解决两个问题 1.Employee如何作为一个值对象传入数据 2.如何将一系列通用的对象转化为定型数据模型 ? 值对象一般不包含任何实施细节或商业逻辑,它只是一个简单的数据对象 ? 即,从服务器取得的是XML格式的...

deletefrom报错啊！SQL>DELETEFROMemployeesWHEREemployee_id=(SELECTemployee_idFROMnew_emp);DELETEFROMemployeesWHEREemployee_id=(SELECTemployee_idFROMnew_emp)ORA-01427:single-rowsubqueryreturnsmorethanone...

如果在存储过程中将查询的结果集生成一个xml文件?比如:select*fromall_tables使用sql语句将上面的查询结果生成到D:\oracle_AllTables.xml?本来是想通过程序来处理,但是,这样还的性能太低,color='#e78608'>------解决方案--------------------SELECTXMLELEMENT("Department"...

笔试中的一道SQL题，感兴趣的来看看给出三张表表名（字段）Employee(Employee_id,Department_id,Department_name)Department(Department_id,Department_name)Salary(Employee_id,salary)要求按Department_name来统计salary总和，并且按照Department_id的降序来排列...

一个关于继承的问题~求助..现在有三个类，分别是Employee类，Manager类，TemporaryEmployee类；Manager类，TemporaryEmployee类都是Employee的子类。现在我创建了一个长度为10的Employee类型的数组A..请问数组A的元素除了可以存放Employee类的对象外，是否还可以存放Manager类，TemporaryEmployee类的对象？是...

文件读取错误。请各位帮忙看一下啊JavacodeEmployeeMain.javapackagecom.dreamhome.file;importjava.io.FileNotFoundException;importjava.io.FileReader;importjava.io.PrintWriter;importjava.util.Scanner;publicclassEmployeeMai...

我要被急死啦！！！！！！！！！！！！usebluehillgocreateviewviwwebEmpCommonInfoasselect? e.EmployeeIDasemployee_id,? e.[Name]asemployee_name,? e.Emailasemployee_email,? e.Telephoneasemployee_telephone,? e.LoginNameasemp...

SSH的学习问题？不太通求教。20110729开始111111packagecn.itcast.bean;publicclassEmployee{ privateStringusername; privateStringpassword; privateGendergender=Gender.MAN; publicEmployee(){ //TODO } publicEmployee(St...

请解释这段触发器代码的含义?请解释如下代码的意思，详细注解每行带码的含义，谢谢！createorreplacetriggertr_update_employee_salaryinsteadofupdateonvw_employee_salarybegindeclaretotalMonthnumber;beginselectcount(distinct(month))intototalMonthfr...