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Java Programming Exercies

Java Array Exercises: Convert an ArrayList to an array

Java Array: Exercise-21 with Solution

Write a Java program to convert an ArrayList to an array.

Sample Solution:

Java Code :

import java.util.ArrayList;
  import java.util.Arrays;
  public class Exercise21 {
  public static void  main(String[] args)
  { 
  ArrayList<String> list = new ArrayList<String>();

  list.add("Python");
 
  list.add("Java");
 
  list.add("PHP");
  
  list.add("C#");
 
  list.add("C++");
  
  list.add("Perl");
 
  String[]  my_array = new String[list.size()];
  
  list.toArray(my_array);
  
  for (String  string : my_array)
  {
  System.out.println(string);
  }
  } 
  }

Sample Output:

Python                                                                                                
Java                                                                                                
PHP                                                                                                
C#                                                                                                
C++                                                                                                
Perl 

Flowchart:

Flowchart: Java exercises: Convert an ArrayList to an array

Java Code Editor:

import java.util.ArrayList;
import java.util.Arrays;

public class Exercise21 {
   public static void main(String[] args) 
    {    
        ArrayList<String> list = new ArrayList<String>();
         
        list.add("Python");
         
        list.add("Java");
         
        list.add("PHP");
         
        list.add("C#");
         
        list.add("C++");
         
        list.add("Perl");
         
        String[] my_array = new String[list.size()]; 
         
        list.toArray(my_array);
         
        for (String string : my_array)
        {
            System.out.println(string);
        }
    }    
}

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