我有一个空数组列表:
var mylist: ArrayList<Int> = ArrayList()
When I want to set value in it I got this error:
java.lang.IndexOutOfBoundsException: Invalid index 0, size is 0
问题是:我如何初始化我的列表?
我有一个空数组列表:
var mylist: ArrayList<Int> = ArrayList()
When I want to set value in it I got this error:
java.lang.IndexOutOfBoundsException: Invalid index 0, size is 0
问题是:我如何初始化我的列表?