定义了一个People类,Student类继承People.
Student类自定义了一个成员域number,其他域都继承自People。
但是用mian函数测试的时候提示错误 Student类找不到构造函数
public class People
{
String name;
int age;
boolean sex;
public People()
{}
public People(String name,int age,boolean sex)
{
this.name=name;
this.age=age;
this.sex=sex;
}
public String getName()
{
return name;
}
public int getAge()
{
return age;
}
public boolean getSex()
{
return sex;
}
}public class Student extends People
{
String number;
public Student()
{}
public Student(String name,int age,boolean sex,String number)
{
super(name,age,sex);
this.number=number;
}
public String getNumber()
{
return number;
}
public static void main(String args[])
{
Student s=new Student("lily",22,false,10);
String name=s.getName();
System.out.println(name);
}
}
Student类自定义了一个成员域number,其他域都继承自People。
但是用mian函数测试的时候提示错误 Student类找不到构造函数
public class People
{
String name;
int age;
boolean sex;
public People()
{}
public People(String name,int age,boolean sex)
{
this.name=name;
this.age=age;
this.sex=sex;
}
public String getName()
{
return name;
}
public int getAge()
{
return age;
}
public boolean getSex()
{
return sex;
}
}public class Student extends People
{
String number;
public Student()
{}
public Student(String name,int age,boolean sex,String number)
{
super(name,age,sex);
this.number=number;
}
public String getNumber()
{
return number;
}
public static void main(String args[])
{
Student s=new Student("lily",22,false,10);
String name=s.getName();
System.out.println(name);
}
}
public static void main(String args[]) {
Student s = new Student("lily", 22, false, "10");
String name = s.getName();
System.out.println(name);
}