简单JAVA程序报错

显示全部楼层 · 2011-6-14 16:55:57

class Person {
private String name;
private String location;
Person(String s) {
this.name = s;
location = "beijing";
}
Person(String name, String location) {
this.name = name;
this.location = location;
}
public String info() {
return name + location;
}
}
class Student extends Person{
private String school;
Student(String school) {//报错：未定义隐式构造函数 Person
this.school = school;
}
public String info() {
return super.info()+school;
}
}
public class Text01 {
public static void main(String[] args) {
Person p1 = new Person("perter");

Student stu1=new Student("清华");
System.out.println(p1.info());
System.out.println(stu1.info());
}
}

千问 · 2011-6-14 16:55:57

在Person 定义一个无参构造函数...

简单JAVA程序 报错

简单JAVA程序报错