Check out example codes for "toarray in java". It will help you in understanding the concepts better.

Code Example 1

// Java Program to illustrate the 
// ArrayList toArray(T[]) 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(T[]) method 
        Integer arr[] = new Integer[ArrLis.size()]; 
        arr = ArrLis.toArray(arr); 
  
        System.out.println("Elements of ArrayList"
                           + " as Array: "
                           + Arrays.toString(arr)); 
    } 
}

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