(In this code, the phraseString sis the type pattern.) The meaning is intuitive. Theinstanceofoperator matches the targetobjto the type pattern as follows: Ifobjis an instance ofString, then it is cast toStringand the value is assigned to the variables. The conditionality of pattern matching...
6.5.6 Meaning of Expression Names 6.5.6.1 Simple Expression Names Chapter 9: Interfaces 9.6 Annotation Types 9.6.4 Predefined Annotation Types 9.6.4.1 @Target Chapter 14: Blocks and Statements and Patterns 14.30 Patterns 14.30.1 Kinds of Patterns 14.30.1.1 Type Test Pattern 14.30.2 Compatibili...
IIRC, variance of type here affects meaning of applying the appropriate parameter, I'm not sure if variance annotation on normal type parameters makes sense. If we think from programmer's perspective, we may think the encoding captures only part of the contract. A possible enhancement of the ...
The changes are the same as those in the first preview of pattern matching for instanceof in Java SE 14, except for the addition of two missing subsections in this second preview:6.3.1.7 handles parenthesized expressions in the definition of scope of pattern variables 6.3.2.7 handles labeled ...