String[] my_array = new String[list.size()]; // Convert the ArrayList to an array and store it in my_array. list.toArray(my_array); // Iterate through the elements of the string array and print each element. for (String string : my_array) { System.out.println(string); } } } ...
import java.util.ArrayList; import java.util.List; public class Main { public static void main(String[] args) { List<String> carList = new ArrayList<String>(); carList.add("A"); carList.add("B"); carList.add("C"); carList.add("D"); String[] carArray = carList.toArray(...
importjava.util.*;publicclassJavaExample{publicstaticvoidmain(String[]args){// Array declaration and initializationStringcityNames[]={"Agra","Mysore","Chandigarh","Bhopal"};// Array to ArrayList conversionArrayList<String>cityList=newArrayList<String>(Arrays.asList(cityNames));// Adding new element...
util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.List; import java.util.stream.Collectors; public class CollectionsDemo { public static void main(String[] args) { Integer[] array = {1, 2, 3, 4, 5, 6}; List<Integer> list = new ArrayList<>(); ...
Most of the IConvertible methods // return an average of the array elements in one of three types: // arithmetic mean, geometric mean, or median. public class DataSet : IConvertible { protected ArrayList data; protected AverageInfo defaultProvider; // Construct the object and add an initial ...
util.ArrayList; import java.util.Collections; public class ConvertArrayToListAsListMain { public static void main(String arg[]) { //creation of Integer array Integer[] arr={81,82,83,84,85}; //print content of Array System.out.println("Elements of Array are:"); for (int a: arr) {...
StringkeyArray[]=map.keySet().toArray(newString[0]); 2. ConvertMaptoList We can collect the Map values into a List using theArrayListconstructor which takes a collection of values as its parameter. List<Integer>valList=newArrayList<>(map.values()); ...
Ints.toArray(ListOfIntegers)is a part of thecom.google.common.primitives.Intspackage that takes our list as an argument and provides us with the array of ints. importcom.google.common.primitives.Ints;importjava.util.ArrayList;importjava.util.List;publicclassMain{publicstaticvoidmain(String[]ar...
Example 1: Converting ‘Stream<String>‘ to ‘String[]‘ In the given example, we are converting a stream to an array using usingtoArray()API. It uses theString[]::newgenerator function for creating a new array of typeString. This is equivalent to writing alambda expressionthat creates a...
Print ArrayList Convert it to JSONObject/JSONArray using Google JSON Print JSONObject Here is a complete code: packagecrunchify.com.tutorial; importjava.util.ArrayList; importcom.google.gson.Gson; importcom.google.gson.GsonBuilder; /**