change a string array into an integer array in java

/**
 * @author lautturi.com
 * Java example: convert array of strings to array of integers in java
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {

		String [] str = {"123", "345", "789", "910"};
	      int size = str.length;
	      int [] arr = new int [size];
	      for(int i=0; i<size; i++) {
	         arr[i] = Integer.parseInt(str[i]);
	      }
	      System.out.println(Arrays.toString(arr));

	}
}

output:

[123, 345, 789, 910]