java person

Question

创建Person类(即“人”)，它有set***()和ge***()方法，对“人”属性name、sex和birthday赋值和获得这些属性组成的字符串信息。创建类Student继承Person类，并添加自己的学生属性:学号id和专业speciality，并添加set***()和get***()方法设置和获得它们值。

Answer 1

class Person{
	String name;
	String sex;
	String birthday;
	public Person() {}
	public Person(String name,String sex,String birthday) {
		this.name = name;
		this.sex = sex;
		this.birthday = birthday;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getSex() {
		return sex;
	}
	public void setSex(String sex) {
		this.sex = sex;
	}
	public String getBirthday() {
		return birthday;
	}
	public void setBirthday(String birthday) {
		this.birthday = birthday;
	}
	
}
class Student extends Person{
	int id;
	String speciality;
	public Student() {}
	public Student(String name,String sex,String birthday,int id,String speciality) {
		super(name,sex,birthday);
		this.id = id;
		this.speciality = speciality;
	}
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getSpeciality() {
		return speciality;
	}
	public void setSpeciality(String speciality) {
		this.speciality = speciality;
	}
}