用java类的编程方法

public class Test {
public static void main(String args[])
{
String name="alex";
String born="19870529";
String sex="man";

Peosrn aa=new Peosrn(name,born,sex);
aa.show();

}

}
class Peosrn
{
String name,born,sex;

Peosrn(String name,String born,String sex)
{
this.name =name;
this.born =born;
this.sex=sex;
}
void show()
{
System.out.println("Name is "+name);
System.out.println("Born in "+born);
System.out.println("Sex is "+sex);

}
}
}

class Person {
private String name;
private java.util.Date birthday;
private int gender;
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
pub