Improve upperCaseFirst stability.
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@ -209,6 +209,8 @@ public class Txt
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public static String upperCaseFirst(String string)
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public static String upperCaseFirst(String string)
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{
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{
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if (string == null) return null;
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if (string.length() == 0) return string;
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return string.substring(0, 1).toUpperCase()+string.substring(1);
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return string.substring(0, 1).toUpperCase()+string.substring(1);
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}
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}
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