【工具类】将姓名最后一位变成*

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/**
 * 将姓名最后一位变成*
 * @param customerName
 * @return
 */
public static String hiddenName(String customerName) {
	return StringUtils.isEmpty(customerName) ? "" :customerName.replace(customerName.charAt(customerName.length() - 1), '*');
}

结果: