java实例之商品库

输出效果

代码：

package com.oracle.Shopping;
//修饰符+class+类名
public class Shopping {
    //修饰符 + 返回值 +主方法（）{}
    public static void main(String[] args) {
        //打印方法
        System.out.println("--------------------商城库存--------------------");
        //一维数组，静态初始化
        String[] list = {"品牌型号","尺寸","价格","库存"};//静态初始化
        String[] brand = new String[]{"MacBookAir","ThinkpadT450","ASUS-FL5800"};
        //String[] brand = {"MacBookAir","ThinkpadT450","ASUS-FL5800"};
        //String[] brand = new String[3];//动态初始化，然后赋值
        double[] size = new double[3];
        size[0]=13.3;
        size[1]=14.0;
        size[2]=15.6;
        double[] money = {6988.88,5999.99,4999.5};
        int[] repertory={5,10,18};
            System.out.print(list[0]+"	"+"	"+list[1]+"	"+list[2]+"	"+list[3]+"	");
        System.out.println();
        //需要确保一维数组的下标一致（下标不一致暂时是重新打印的）
        int sum = 0;//设置总库存数初始值为0
        double amount = 0;//设置总金额初始值为0
        //for遍历
        for(int i=0;i<brand.length;++i){
            //打印方法，	表示Tab键
            System.out.println(brand[i]+"	"+size[i]+"	"+money[i]+"	"+repertory[i]+"	");
            //计算库存数
            sum = sum+ repertory[i];
            //计算总金额
            amount =amount+ money[i]*repertory[i];        
        }    
        System.out.println("------------------------------------------------");
        System.out.println("总库存数："+sum);
        System.out.println("库存商品总金额："+amount);
    }
}

java