Checks if the string contains uppercase characters in java

/**
 * @author lautturi.com
 * Java example: determine whether the string contains uppercase characters in java
 */

import java.util.*;

public class Lautturi {
	public static boolean containsUpperCaseLetter(String s){
		for(int i=0;i<s.length();i++){
	    	if(Character.isUpperCase(s.charAt(i))){
	        	return true;
	        }
	    }
		return false;
	}
 
	public static void main(String[] args) {

		String str = "hello Java";
		System.out.println(containsUpperCaseLetter(str));
	}
}

output:

true