Here you can find the source of convertCharacter(final String value)
public static Character convertCharacter(final String value)
//package com.java2s; /*//from w ww .ja v a 2 s.c om * Copyright 2004-2008 the Seasar Foundation and the Others. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, * either express or implied. See the License for the specific language * governing permissions and limitations under the License. */ public class Main { public static Character convertCharacter(final String value) { if (value.length() > 0) { return Character.valueOf(value.charAt(0)); } else { return null; } } }