how to get the last element of an array

/**
 * @author lautturi.com
 * Java example: print/get the last element of an array in java
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {

		int[] arr = {1, 3, 5, 2, 4};
		int last_element = arr[arr.length - 1];
		
		System.out.println("last element:"+last_element);
	}
}

output:

last element:4