arraylist
ArrayList of Hashmaps to ListView nullpointerexception
I keep getting this error: Unable to start activity ComponentInfo{com.Nostradamus/com.Nostradamus.Contactenlijst}:java.lang.NullPointerException[详细]
2023-04-05 07:42 分类:问答display my arraylist results in custom listview
I want to display my arraylist results by using custom list view. for now i\'m displaying my results by using android layout.[详细]
2023-04-04 23:51 分类:问答Get hashmap out of an Array with Hashmap value X
I have an arraylist with multiple hashmaps that contains information that comes from a sql database ArrayList<HashMap<String, String>> mylist = new ArrayList<HashMap<String, String&[详细]
2023-04-04 20:29 分类:问答How do I print elements in an ArrayList without the null?
This is what I tri开发者_开发问答ed doing.. public void printArray() { for(int i = 0; i<size; i++)[详细]
2023-04-04 16:32 分类:问答Java integer ArrayList return elements within a specific range
I am having a java ArrayList of integer ArrayList <Integer> ageList= new ArrayList <Integer>();[详细]
2023-04-04 14:46 分类:问答ArrayList composed of various types of objects
I have a class that needs to return multiple data objects of various types, such as an ArrayList<Integer> and arrays of double[].Since java only allows one object to be returned by a given metho[详细]
2023-04-04 12:19 分类:问答How to assign Objects from ListBox to ArrayList in a single statement?
In Delphi Prism, I need to assign objectcollection from ListBox to an ArrayList in a single statement. So far I have not found any solution.[详细]
2023-04-04 02:22 分类:问答Java:HashMap<String,String> storing same value as key and value.?
I am getting this strange output in HashMap. I have two ArrayList<String> one containing the key and another containing value.[详细]
2023-04-04 01:24 分类:问答How can I make passing a list with just one value to an other method less verbose
If I have a method like this private void setStringList(List<String> aList) { ... } Then this is obviously possible[详细]
2023-04-03 23:39 分类:问答How to convert a String into an ArrayList?
In my String, I can have an arb开发者_如何学Citrary number of words which are comma separated. I wanted each word added into an ArrayList. E.g.:[详细]
2023-04-03 17:52 分类:问答