public class Human
{
String name;
char sex;
int age;
Human(String n)
{
name=n;
}
Human(String n,char s)
{
name=n;
sex=s;
}
Human(String n,char s,int a)
{
name=n;
sex=s;
age=a;
}
public static void main(String[] args)
{
Human human1=new Human("Liuis");
Human human2=new Human("mary",'女');
Human human3=new Human("Hery",'男',20);
System.out.println("姓名"+"性别"+"年龄");
System.out.printf("%s,%c,%d",human1.name,human1.sex,human1.age);
System.out.println("");
System.out.printf("%s,%c,%d",human2.name,human2.sex,human2.age);
System.out.println("");
System.out.printf("%s,%c,%d",human3.name,human3.sex,human3.age);
}
}