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Java Reflection provides a small package with nifty reflection features that will help with finding constructors, methods and value conversions

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package org.bbottema.javareflection.util.commonslang25;

import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;

@SuppressFBWarnings(justification = "imported code as-is from Apache Commons Lang 2.5")
public class StringUtils {
	private StringUtils() {
	}
	
	/**
	 * Capitalizes a String changing the first letter to title case as
	 * per {@link Character#toTitleCase(char)}. No other letters are changed.
	 *
	 * For a word based algorithm, see WordUtils#capitalize(String).
	 * A null input String returns null.
	 *
	 * 	 * StringUtils.capitalize(null)  = null
	 * StringUtils.capitalize("")    = ""
	 * StringUtils.capitalize("cat") = "Cat"
	 * StringUtils.capitalize("cAt") = "CAt"
	 * 
	 *
	 * @param str the String to capitalize, may be null
	 *
	 * @return the capitalized String, null if null String input
	 * @since 2.0
	 */
	public static String capitalize(String str) {
		if (str == null || str.length() == 0) {
			return str;
		}
		return String.valueOf(Character.toTitleCase(str.charAt(0))) + str.substring(1);
	}
}