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>> if (_x == null && _y == null)
>> {
>> return 0;
>> }
>> // _y != null below underlined in blue // - expression is
>> always true.
>> else if (_x == null && _y != null)
>> {
>> return -1;
>> }
>> // _x != null below underlined in blue // - expression is
>> always true.
>> else if (_y == null && _x != null)
>> {
>> return 1;
>> }
>> }

The analysis is correct here - the underlined conditions are definetly
always true


Indeed they are......thanks for that!


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