funJSONArray.toArrayList():ArrayList<String>{val list=arrayListOf<String>()for(iin0untilthis.length()){list.add(this.getString(i))}returnlist}val messages=JSONArray("['aaa','bbb','ccc']")messages.toArrayList() Remove a string from JSONArray ...
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Converting an Array to a Collection importjava.util.Arrays;importjava.util.List;publicclassMain {publicstaticvoidmain(String[] argv)throwsException {int[] array =newint[10];// Fixed-size listList list = Arrays.asList(array); } } Related examples in the same category...
The big problem that I can see is that you are trying to do everything in the main method. You should have one statement in the main method and everything else in different methods. You should have a method which creates your array, one to print it, etc., etc. Then you can test ...
Add byte array column to datatable Add code behind file to an existing page Add css and javascript to html file dynamically in c# add datarow matching multiple column values add image name into the drop down list Add JavaScript & CSS in UserControl Add multiple location paths into the web....
Program importjava.util.HashSet;classConvertHashSettoArray{publicstaticvoidmain(String[]args){// Create a HashSetHashSet<String>hset=newHashSet<String>();//add elements to HashSethset.add("Element1");hset.add("Element2");hset.add("Element3");hset.add("Element4");// Displaying HashSet...
This leads to a basic loop consisting of forming a JSON object per row, adding objects to aList, and finally converting thatListto aJSONarray. All these functionalities are available in theorg.jsonpackage: ResultSetMetaDatamd=resultSet.getMetaData();intnumCols=md.getColumnCount(); ...
Converting Char array to String : Convert to String « Data Type « Java TutorialJava Tutorial Data Type Convert to String public class MainClass { public static void main(String[] arg) { char[] ch = {'a','b','c','d'}; System.out.println(String.valueOf(ch)); } } ...
Method 4: JSON-B (Java API for JSON Binding) import javax.json.bind.Jsonb; import javax.json.bind.JsonbBuilder; public class JsonbExample { public static void main(String[] args) { // Sample JSON data String json = "{\"name\":\"John\",\"age\":30,\"city\":\"New York\"}"...