选课

[java]代码库

class People02{
	public String name;
	public String sex;
	public int age;
	
	 
    public People02(String name,String sex,int age){
		this.name = name;
		this.sex = sex;
		this.age = age;
	}
}



public class Student02 extends People02 {
     public int numaber;
     public String course;
	
     public Student02(){
		 this(1);
   }
	 public Student02(int numaber){
		 super("小敏", "女",  20);
		 this.numaber = numaber;
		}
	 public String choose(){
		 return "我没有选课";
	 }
	public String choose(String course){
		return course;
	}
	
}