determine whether a char is upper in java

/**
 * @author lautturi.com 
 * Java example:check whether a char is in Uppercase in java
 */

import java.util.*;

public class Lautturi {

	public static void main(String[] args) {

		char ch = 'a';
		if (Character.isUpperCase(ch)) {
			System.out.println("Character is in Uppercase!");
		} else {
			System.out.println("Character is in Lowercase!");
		}

	}
}

output:

Character is in Lowercase!