ScrabbleWordTester.java

public class ScrabbleWordTester {
	public static void main(String[] args) {
		char[] chars = { 'a', 'u', 'b', 'm' };

		System.out.println(charsCanBuildString(chars, "baum"));
		System.out.println(charsCanBuildString(chars, "muab"));
		System.out.println(charsCanBuildString(chars, "ab"));
		System.out.println(charsCanBuildString(chars, "babo"));
		System.out.println(charsCanBuildString(chars, ""));
	}
	
	public static boolean charsCanBuildString(final char[] chars, final String word) {
		if(chars.length < word.length())
			return false;
		else {
			String copy = new String(word);
			for(char c : chars)
				copy = copy.replaceFirst(String.valueOf(c), "");
			
			return copy.length() == 0;
		}
	}
}