JSTL之c标签

Student.java：
package com.myapp.beans;
 
public class Student {
 
       private String sno;
 
       private String sname;
 
       private Integer sage;
 
       private String ssex;
 
       private String deptno;
 
       public Student(String sno, String sname, Integer sage, String ssex,
                     String deptno) {
              this.sno = sno;
              this.sname = sname;
              this.sage = sage;
              this.ssex = ssex;
              this.deptno = deptno;
       }
 
       public String getDeptno() {
              return deptno;
       }
 
       public void setDeptno(String deptno) {
              this.deptno = deptno;
       }
 
       public Integer getSage() {
              return sage;
       }
 
       public void setSage(Integer sage) {