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Hutool是一个小而全的Java工具类库，通过静态方法封装，降低相关API的学习成本，提高工作效率，使Java拥有函数式语言般的优雅，让Java语言也可以“甜甜的”。

There is a newer version: 5.8.34

package cn.hutool.core.convert.impl;

import cn.hutool.core.convert.AbstractConverter;
import cn.hutool.core.util.BooleanUtil;
import cn.hutool.core.util.StrUtil;

/**
 * 字符转换器
 *
 * @author Looly
 *
 */
public class CharacterConverter extends AbstractConverter {
	private static final long serialVersionUID = 1L;

	@Override
	protected Character convertInternal(Object value) {
		if (value instanceof Boolean) {
			return BooleanUtil.toCharacter((Boolean) value);
		} else {
			final String valueStr = convertToStr(value);
			if (StrUtil.isNotBlank(valueStr)) {
				return valueStr.charAt(0);
			}
		}
		return null;
	}

}