Java check whether string contains uppercase character

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

import java.util.*;

public class Lautturi {

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

		String s = "hello Java";

		System.out.println(containsUpperCaseLetter(s));
		
	}
}

output:

true