What will be the output of the given Java code?

import java.util.Arrays; 
public class SortExample 
{ 
	public static void main(String[] args) 
	{ 
		// Our arr contains 8 elements 
		int[] arr = {10,7,9,5,8,4}; 
		Arrays.sort(arr); 
		System.out.printf(Arrays.toString(arr)); 
	} 
}

A. [4,5,7,8,9,10]

B. [10,9,8,7,5,4]

C. 4,5,7,8,9,10

D. error

Answer: Option A