3、uote>EL表达式结果${1}${1}${1+2}${1+2}${1.2+2.3}${1.2+2.3}${1.2E4+1.4}${1.2E4+1.4}

4、r>${-4-2}${-4-2}${21*2}${21*2}${3/4}${3/4}${3div4}${3div4}${3/0}${3/0}${10%4}${10%4}

5、${10mod4}${10mod4}${(1==2)?3:4}${(1==2)?3:4}图7.1operater.jsp页面的运行结果（二）访问作用域变量编写一个名为EmployeeBean的JavaBean，其中包括3个属性eno表示雇员号、ename表示雇员名和ecompany表示雇员公司名。【步骤1】Employee

6、Bean.java程序代码package.beans;publicclassEmployeeBean{privateStringeno="";privateStringename="";privateStringecompany="";publicEmployeeBean(){}publicvoidsetEno(Stringeno){this.eno=eno;}publicvoidsetEname(Stringename){this.ename=ename;}publicvoidsetEcompany(St

7、ringecompany){this.ecompany=ecompany;}publicStringgetEno(){returneno;}publicStringgetEname(){returnename;}publicStringgetEcompany(){returnecompany;}}【步骤2】编写一个JSP页面，在其过表单输入雇员信息，将请求转发到一个Servlet。<%pagecontentType="text/html;charset=gb2312"%>请输入雇员信

8、息: