如何获得二维数组中的百分比 [英] How can I get the percentage in two-dimensional array

问题描述

我需要有人可以帮我找到二维数组的百分比。我有一个data.txt给我的值和驱动程序。

I need someone can help me to find the percentage of a two-dimensional array. I have a data.txt which gives me the values and the driver.

for (int i = 0; i < index; i++){
            totalArea+= myRectangle[i].getArea();
            
            
        System.out.println(i + " " + " Rectangle " + myRectangle[i]);  
        
        grantTotal += myRectangle[i].getArea();

我试过的：



我正在尝试使用for循环，但是我得到了无穷大。我需要一些帮助。这应该是什么样子



0矩形L：12.4 W：13.2面积：163.68％总面积42.8

1矩形L：11.8 W：6.7面积：79.06％总面积20.7

2矩形L：7.1 W：5.9面积：41.89％总面积11.0

3矩形L：3.8 W：0.2面积：总面积的0.76％0.2

4矩形L：9.6 W：10.1面积：总面积的96.96％25.4

What I have tried:

I was trying using the for loop but I get infinity. Please I need some help.This is what it should look like

0 Rectangle L : 12.4 W : 13.2 Area : 163.68 % of total area 42.8
1 Rectangle L : 11.8 W : 6.7 Area : 79.06 % of total area 20.7
2 Rectangle L : 7.1 W : 5.9 Area : 41.89 % of total area 11.0
3 Rectangle L : 3.8 W : 0.2 Area : 0.76 % of total area 0.2
4 Rectangle L : 9.6 W : 10.1 Area : 96.96 % of total area 25.4

推荐答案

如果你的循环永远不会结束你会得到无穷大。你不清楚你想要的百分比，但唯一的答案是，正确的外观会增加你想要计算百分比的数字。



我假设index是数组的长度？

You get infinity if your loop never ends. You're not clear what you want a percentage of, but the only answer is, a proper look that adds up the numbers you want to calculate a percentage of.

I assume index is the length of your array?

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