abstracttest.java

来自「学习java编程的好程序」· Java 代码 · 共 188 行

abstract class school 
{
    String schoolname;
    String classname;
    String location;
    public void setschoolname(String schoolname)    //通过设置器来设置学校名称，班级名称
    {
        this.schoolname=schoolname;
    }
    public void setclassname(String classname)
    {
        this.classname=classname;
    }
    public String getschoolname()
    {
        return schoolname;
    }
    public String getclassname()
    {
        return classname;
    }
    abstract void setlocation(String location); 
    abstract String getlocation();
    public String tostring()
    {
        String infor="学校名称："+schoolname+";"+"  "+"班级名称"+classname;
        return infor;
    }
}
class student1 extends school 
{
    String studentname;
    String studentcode;
    String studentsexy;
    String studentbirthday;
    String studentaddress;
    void setlocation(String location)
    {
        this.location=location;
    }
    String getlocation()
    {
        return location;
    }
    void setstudentname(String studentname)
    {
        this.studentname=studentname;
    }
    void setstudentcode(String studentcode)
    {
        this.studentcode=studentcode;
    }
    void setstudentsexy(String studentsexy)
    {
        this.studentsexy=studentsexy;
    }
    void setstudentbirthday(String studentbirthday)
    {
        this.studentbirthday=studentbirthday;
    }
    void setstudentaddress(String studentaddress)
    {
        this.studentaddress=studentaddress;
    }
    String getstudentname()
    {
        return studentname;
    }
    String getstudentcode()
    {
        return studentcode;
    }
    String getstudentsexy()
    {
        return studentsexy;
    }
    String getstudentbirthday()
    {
        return studentbirthday;
    }
    String getstudentaddress()
    {
        return studentaddress;
    }
    public String tostring()
    {
        String infor=super.tostring()+"学校地址"+location+"  "+"学生姓名:"+studentname+";"+"  "+"学号："+studentcode+";"+"  "+"性别："+studentsexy+";"+"  "+"出生日期："+studentbirthday+";"+"  "+"家庭地址："+studentaddress;
        return infor;
    }
}
abstract class student2 extends school 
{
    String studentname;
    String studentcode;
    String studentsexy;
    String studentbirthday;
    String studentaddress;
    abstract void setlocation(String location);
    abstract String getlocation();
    void setstudentname(String studentname)
    {
        this.studentname=studentname;
    }
    void setstudentcode(String studentcode)
    {
        this.studentcode=studentcode;
    }
    void setstudentsexy(String studentsexy)
    {
        this.studentsexy=studentsexy;
    }
    void setstudentbirthday(String studentbirthday)
    {
        this.studentbirthday=studentbirthday;
    }
    void setstudentaddress(String studentaddress)
    {
        this.studentaddress=studentaddress;
    }
    String getstudentname()
    {
        return studentname;
    }
    String getstudentcode()
    {
        return studentcode;
    }
    String getstudentsexy()
    {
        return studentsexy;
    }
    String getstudentbirthday()
    {
        return studentbirthday;
    }
    String getstudentaddress()
    {
        return studentaddress;
    }
    public String tostring()
    {
        String infor=super.tostring()+"学生姓名:"+studentname+";"+"  "+"学号："+studentcode+";"+"  "+"性别："+studentsexy+";"+"  "+"出生日期："+studentbirthday+";"+"  "+"家庭地址："+studentaddress;
        return infor;
     }
  }
class student3 extends student2 
{
    void setlocation(String location)
    {
        this.location=location;
    }
    String getlocation()
    {
        return location;
    }
    public String tostring()
    {
        String infor=super.tostring()+"学校地址："+location+";"+"  ";
        return infor;
    }
}
public class abstracttest
{
    public static void main(String[] args)
    {
        student1 s1=new student1();
        student3 s3=new student3();
        s1.setschoolname("重庆大学");
        s1.setclassname("计算机三班");
        s1.setlocation("沙坪坝");
        s1.setstudentname("王浩");
        s1.setstudentcode("95012");
        s1.setstudentsexy("男");
        s1.setstudentbirthday("1976-07-14");
        s1.setstudentaddress("重庆市解放碑");
        s3.setschoolname("四川大学");
        s3.setclassname("机械系一班");
        s3.setlocation("成都市");
        s3.setstudentname("董洁");
        s3.setstudentcode("33012");
        s3.setstudentsexy("女");
        s3.setstudentbirthday("1974-08-21");
        s3.setstudentaddress("成都市区");
        System.out.println(s1.tostring());
        System.out.println(s3.tostring());
    }
}