类和“对象“

class Girl
{
    double weight;
    String name,hair;
    int age,high;
    int year=12;
    int month()
    {
        return (age*year);
    }
}
public class Girlfriend
{
    public static void main(String [] args)
    {
  System.out.println("接下来由胡宇洋的女朋友们做自我介绍");
        Girl Girl1,Girl2,Girl3;
        Girl1=new Girl();
        Girl2=new Girl();
        Girl3=new Girl();
        Girl1.high=175;
        Girl1.weight=90;
        Girl1.name="Lisa";
        Girl1.hair="黑长直";
        Girl1.age=19;
        Girl2.high=165;
        Girl2.weight=180;
        Girl2.name="Alice";
        Girl2.hair="双马尾";
        Girl2.age=18;
        Girl3.high=150;
        Girl3.weight=75;
        Girl3.name="Jenny";
        Girl3.hair="短发";
        Girl3.age=15;
        System.out.println("人家叫"+Girl1.name);
        System.out.println("今年 "+Girl1.month()+"个月大了");
        System.out.println("人家是"+Girl1.hair);
        System.out.println("人家"+Girl1.weight+"斤  "+"身高"+Girl1.high+"\n");
        System.out.println("我叫"+Girl2.name);
        System.out.println("今年 "+Girl2.month()+"个月了");
        System.out.println("人家是"+Girl2.hair);
        System.out.println("人家"+Girl2.weight+"斤  "+"身高"+Girl2.high+"\n");
        System.out.println("人家叫"+Girl3.name);
        System.out.println("今年 "+Girl3.month()+"个月大了");
        System.out.println("人家是"+Girl3.hair+"哦");
        System.out.println("人家"+Girl3.weight+"斤  "+"身高"+Girl3.high+"\n");
    }
}