Java arraylist to array

user31172

Code: Java

2021-01-13 18:53:48

Integer[] spam = new Integer[] { 1, 2, 3 };
List<Integer> list = Arrays.asList(spam);

9

Anonmyous

Code: Java

2021-01-13 18:53:10

List<Element> list = Arrays.asList(array);

4

user3932000

Code: Java

2021-01-13 18:54:50

String[] arr = list.toArray(new String[list.size()]);

4

Arif Talukdar

Code: Java

2021-01-13 18:51:28

List<String> list = new ArrayList<>();
list.add("a");
list.add("ab");
list.add("abc");
list.add("abcd");
// convert
String[] array = list.toArray();

5

magnetar

Code: Java

2021-01-13 18:49:08

/*
Get the Array to be converted.
Create the List by passing the Array as parameter in the constructor of the List with the help of Arrays. asList() method.
Return the formed List.
*/

String[] namedata = { "ram", "shyam", "balram" }; 

List<String> list = Arrays.asList(namedata);

3

Superfrankie

Code: Java

2021-01-13 18:55:43

ArrayList<String> ArrayLister=new ArrayList<>(){ArrayLister.add("Hi")};
String[] array=ArrayLister.toArray(String[]);

2

Abhishek

Code: Java

2021-01-13 18:55:18

// Java Program to illustrate the 
// ArrayList toArray() method in Java 
  
import java.util.*; 
  
public class GFG { 
    public static void main(String[] args) 
    { 
  
        // create object of ArrayList 
        ArrayList<Integer> ArrLis 
            = new ArrayList<Integer>(); 
  
        // Add elements 
        ArrLis.add(32); 
        ArrLis.add(67); 
        ArrLis.add(98); 
        ArrLis.add(100); 
  
        // print ArrayList 
        System.out.println("ArrayList: "
                           + ArrLis); 
  
        // Get the array of the elements 
        // of the ArrayList 
        // using toArray() method 
        Object[] arr = ArrLis.toArray(); 
  
        System.out.println("Elements of ArrayList"
                           + " as Array: "
                           + Arrays.toString(arr)); 
    } 
}

1

Sean Klaus

Code: Java

2021-09-22 16:56:03

new ArrayList( Arrays.asList( new String[]{"abc", "def"} ) );

0

Kasramvd

Code: Java

2021-01-25 20:59:07

Integer[] arr = new Integer[al.size()]; 
  
        // ArrayList to Array Conversion 
        for (int i = 0; i < al.size(); i++) 
            arr[i] = al.get(i);

0

pensnarik

Code: Java

2021-06-23 23:25:26

// A Java program to convert an ArrayList to arr[] 
import java.io.*; 
import java.util.List; 
import java.util.ArrayList; 
  
class GFG { 
    public static void main(String[] args) 
    { 
        List<Integer> al = new ArrayList<Integer>(); 
        al.add(10); 
        al.add(20); 
        al.add(30); 
        al.add(40); 
  
        Integer[] arr = new Integer[al.size()]; 
        arr = al.toArray(arr); 
  
        for (Integer x : arr) 
            System.out.print(x + " "); 
    } 
}

0

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