package fengzhuanglei;
public class Personal {//定义类
public String name;//定义属性
public char gender;
public int age;
public double height;
public double weight;
public Personal(String n,char g,int a,double h,double w){//定义构造器
name=n;
gender=g;
age=a;
height=h;
weight=w;//给属性赋值
}
public void speak(String word){
System.out.println(name+"说:"+word);
}
public static void main(String[] args){
Personal person; / /就在这里有警告,然后就运行不了
person=new Personal("张三",'男',18,175.0,65.0);
}
}
还是不行啊