convert array list to array code example

Example 1: convert list to array python

import numpy as np
my_list = [2,4,6,8,10]
my_array = np.array(my_list)
# printing my_array
print my_array
# printing the type of my_array
print type(my_array)

Example 2: java arraylist to array

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

Example 3: how to cast arraylist to array in java

import java.util.ArrayList;
public class ListToArray {
   public static void main(String args[]){
      ArrayList<String> list = new ArrayList<String>();
      list.add("Apple");
      list.add("Orange");
      list.add("Banana");

      System.out.println("Contents of list ::"+list);
      String[] myArray = new String[list.size()];
      list.toArray(myArray);

      for(int i=0; i<myArray.length; i++){
         System.out.println("Element at the index "+i+" is ::"+myArray[i]);
      }
   }
}

Example 4: convert arraylist to array in java

Integer[] arr = new Integer[al.size()]; 
for (int i = 0; i < al.size(); i++) 
     arr[i] = al.get(i);

Example 5: java list to array

List<Foo> list = new ArrayList<>();
Foo[] array = list.toArray(new Foo[0]);