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Utility class functions (continuous update)
2020-11-06 21:45:00 【Architects who can drive】
/**
* Initial lowercase method
*/
private static String lowerFirst(String str) {
char[] chars = str.toCharArray();
if('A' <= chars[0] && chars[0] <= 'Z') {
chars[0] += 32;
}
return String.valueOf(chars);
}
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