RFR: 8263754: HexFormat 'fromHex' methods should be static [v2]

[Claes Redestad]

On Fri, 26 Mar 2021 14:39:47 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

>> A number of HexFormat methods converting from strings to numbers do not use delimiter, prefix, suffix, and uppercase parameters and would be more convenient if the methods were static.
>> 
>> These  APIs were added early in JDK 17 and are being updated before GA.
>> This PR updates existing uses in the JDK but there may be compiler warnings in non-JDK source files.
>> 
>>    public boolean isHexDigit(int);
>>    public int fromHexDigit(int);
>>    public int fromHexDigits(java.lang.CharSequence);
>>    public int fromHexDigits(java.lang.CharSequence, int, int);
>>    public long fromHexDigitsToLong(java.lang.CharSequence);
>>    public long fromHexDigitsToLong(java.lang.CharSequence, int, int);
>
> Roger Riggs has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Remove unused HexFormat instances

Marked as reviewed by redestad (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/3205