public class Person
{
private String Name;
private String Sex;
private int Age;
public void setName(String name)
{
this.Name = name;
}
public String getName()
{
return this.Name;
}
public void setSex(String sex)
{
this.Sex = sex;
}
public String getSex()
{
return this.Sex;
}
public void setAge(int age)
{
this.Age = age;
}
public int getAge()
{
return this.Age;
}
}

public class Teacher
{
private Person p;
public Teacher(Person p)
{
this.p = p;
}
private String TNO;
public void setTNO(String tno)
{
this.TNO = tno;
}
public String getTNO()
{
return this.TNO;
}
}

public class HeadTeacher
{
private String ClassNO;
private Person p;
private Teacher t ;
public HeadTeacher(Person p,Teacher t)
{
this.p = p;
this.t = t;
}
public void setClassNO(String classno)
{
ClassNO = classno;
}
public String getClassNO()
{
return ClassNO;
}
}

public class TestPTS
{
public static void main(String[]args)
{
Person p1 = new Person();
Teacher t1 = new Teacher(p1);
HeadTeacher ericxie = new HeadTeacher(t1,p1);
ericxie.setName("EricXie");
ericxie.setAge(35);
ericxie.setSex("male");
ericxie.setTNO("20125591");
ericxie.setClassNO("20125513");
}
}

为什么不用继承

自己顶。。。初学者求大神罩啊

再顶真的没有大神来鸟我么