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Boolean.TRUE, Boolean.FALSE, or the values of autoboxed true and false literals may be compared using the reference equality operators because the Java language guarantees that the Boolean type is fully memoized. Consequently, these objects are guaranteed to be singletons.
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4, Searching for the One | |
[JLS 2005] | |
Using == to Compare Objects Rather than | |
| [Seacord 2015] |
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