public class Commodity{ //定义商品类
String name; //定义商品名字
double size; //定义商品尺寸
double price; //定义商品价格
int count; // 定义商品总数量;
}
import java.util.*;
public class CommodityTest{
public static void main(String[]args){
//创建对象
Commodity C=new Commodity();
Commodity C1=new Commodity();
Commodity C2=new Commodity();
//创建Arraylist 集合
ArrayList<Commodity> arr=new Arr<Commodity>();
C.name="小米";
C.size=15.6;
C.price=9999;
C.count=10;
//为对象赋值
C1.name="华为";
C1.size=15.6;
C1.price=9998;
C1.count=100;
C2.name="联想";
C2.size=15.6;
C2.price=9998;
C2.count=100;
//打印商品的属性
System.out,.println("商品名称 商品尺寸 商品价格 商品数量");
//便利ArrayLis集合打印输出
for(i=0;i<arr.size();i++){
System.out.print(arr,get(i).name+" ");
System.out.print(arr.get(i).Size+" ");
System.out.print(arr.get(i).price+" ");
System.out.println(arr.get(i).count+" ");
}
}
}