java 如何计算数组中的项目数android
声明:本页面是StackOverFlow热门问题的中英对照翻译,遵循CC BY-SA 4.0协议,如果您需要使用它,必须同样遵循CC BY-SA许可,注明原文地址和作者信息,同时你必须将它归于原作者(不是我):StackOverFlow
原文地址: http://stackoverflow.com/questions/7119275/
Warning: these are provided under cc-by-sa 4.0 license. You are free to use/share it, But you must attribute it to the original authors (not me):
StackOverFlow
how to count number of items in an array android
提问by user902080
How can I count the number of items in an array in android?
如何计算android中数组中的项目数?
here is the code that dose not work
这是不起作用的代码
if (vehicleList.length = 1){
//do something
}
can anyone help?
有人可以帮忙吗?
回答by Kartik Domadiya
Use == for comparison..
使用 == 进行比较..
if (vehicleList.length == 1){
//do something
}
回答by Adam Arold
You are trying to assign a value to vehiclelist.length. Use ==
instead which will compare the two values.
您正在尝试为 Vehiclelist.length 分配一个值。使用==
它来比较两个值。
回答by jainal
if vehicleList is an arrayList
the try like this
如果 VehicleList 是这样arrayList
的尝试
if (vehicleList.size() == 1){
//do something
}