RFR: JDK-8032012, , String.toLowerCase/toUpperCase performance improvement

[Ulf Zibis]

Me again ;-)

> On 02/06/2014 10:30 AM, Ulf Zibis wrote:
>> But why not just coding:
>> 2558             char ch = value[first];
>> 2559             if (Character.isSurrogate(ch) {
>> 2560                 hasSurr = true;
>> 2561                 break;
>> 2562             }
>> 2563             if (ch != Character.toLowerCase((int)ch)) {  // no need to check Character.ERROR
>> 2564                 break;
>> 2565             }
>>

There already is Character.isUpperCase().
I don't see, why (ch != Character.toLowerCase((int)ch) should perform better.

But there is a bug in javadoc ;-)
Your Report (Review ID: JI-9010267) - Error in doc of Character.isLowerCase/UpperCase(char)

-Ulf