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jls21
Integral Types and Values

Java Language Specification, Version Java SE 21 Edition
4.2.1. Integral Types and Values

Read this Section of the Authoritative Specification

https://docs.oracle.com/javase/specs/jls/se21/html/jls-4.html#jls-4.2.1

2 Documented Misconceptions

Misconception
CharNotNumeric
Char is not a numeric type
Misconception
ReferenceToIntegerConversion
One can cast between references and ints

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