进行语法分析时已到达文件结尾

class Date
{
   private int year,month,date;
   public Date()
   {
       System.out.println("日期未输入");
   }
   public Date(int year,int month,int date)
   {
       this.year=year;
       this.month=month;
       this.date=date;
    }
}
class Certificate extends Date
{
   private String number,name;
   private char 易做图;
   public Certificate()
   {
       System.out.println("请输入数据");
   }
   public Certificate(String number,String name,char 易做图)
   {
       super();
       this.number=number;
       this.name=name;
       this.易做图=易做图;
   }
   public Certificate(int year,int month,int date,String number,String name,char 易做图)
   {
       super(year,month,date);
       this.number=number;
       this.name=name;
       this.易做图=易做图;
   }
}
class Teacher extends Certificate
{
   private String section,job;
   public Teacher()
   {
      System.out.println("请输入教师资料");
   }
   public Teacher(int year,int month,int date,String number,String name,char 易做图,String section,String job)
   {
      super(year,month,date,number,name,易做图);
      this.section=section;
      this.job=job;
   }
   public void show_Teacher()
   {
      System.out.println("教师资料\n"+"编号:"+number+"\n姓名:"+name+"\n性别"+易做图+"\n出生年月"+year+"-"+
                          month+"-"+date+"\n部门:"+section+"\n职务:"+job);
   }
   class IssueDate extends Date
   {
      public IssueDate()
     {
        System.out.println("请输入签发日期");
     }
      public IssueDate(int year,int month,int date)
     {
        super(year,month,date);
     }
     public void show_IssueDate()
    {
        System.out.println("签发日期:"+year+"-"+month+"-"+date);
   }
}
class Student extends Certificate
{
    private String college,major,info;
    public Student()
    {
       System.out.println("请输入学生资料");
    }
    public Student(int year,int month,int date,String number,String name,char 易做图,String college,String major,String info)
    {
       super(year,month,date,number,name,易做图);
       this.college=college;
       this.major=major;
       this.info=info;
    }
    public void show_Student()
    {
       System.out.println("学生资料\n"+"编号:"+number+"\n姓名:"+name+"\n性别:"+易做图+"\n出生年月:"+year+"-"+
                           month+"-"+date+"\n学院:"+college+"\n专业:"+major+"\n注册信息:"+info);
     }
    class AdmissionTime extends Date
    {
       public AdmissionTime()
       {
          System.out.println("请输入入学时间");
       }
       public AdmissionTime(int year,int month,int date)
       {
          super(year,month,date);
       }
       public void show_AdmissionTime()
       {
          System.out.println("入学时间:"+year+"-"+month+"-"+date);
       }
    }
}
public class SchoolManagement
{
   public static void main(String args[])
  {
     Teacher teacher=new Teacher();
     Teacher.IssueDate issuedate=teacher.new IssueDate();
     Student student=new Student();
     Student.AdmissionTime admissiontime=student.new AdmissionTime();
     teacher.show_Teacher();
     issuedate.show_IssueDate();
     student.show_Student();
     admissiontime.show_AdmissionTime();
   }
}
    

--------------------编程问答-------------------- class Teacher extends Certificate
{
   private String section,job;
   public Teacher()
   {
   System.out.println("请输入教师资料");
   }
   public Teacher(int year,int month,int date,String number,String name,char 易做图,String section,String job)
   {
   super(year,month,date,number,name,易做图);
   this.section=section;
   this.job=job;
   }
   public void show_Teacher()
   {
   System.out.println("教师资料\n"+"编号:"+number+"\n姓名:"+name+"\n性别"+易做图+"\n出生年月"+year+"-"+
   month+"-"+date+"\n部门:"+section+"\n职务:"+job);
   }
   class IssueDate extends Date
   {
   public IssueDate()
   {
   System.out.println("请输入签发日期");
   }
   public IssueDate(int year,int month,int date)
   {
   super(year,month,date);
   }
   public void show_IssueDate()
   {
   System.out.println("签发日期:"+year+"-"+month+"-"+date);
   } 
}
这个类后面少了一个大括号。。。

补充：Java ,  非技术区