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02-Deep-Dive
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01-Java
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1. Core Java
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4.Optional
4.Optional
8 items under this folder.
Oct 18, 2026
3.Would the Behavior Be Different with an Immutable Object?
Oct 18, 2026
4. Comprehensive Guide to `java.util.Optional` in Enterprise Java (JDK 21+)
Oct 18, 2026
5.Understanding Java References, Memory, and Optional
Oct 18, 2026
Difference between orElse(other) and orElseGet(supplier)
Oct 18, 2026
Optional.map() vs. Optional.flatMap()
Oct 18, 2026
References
Oct 18, 2026
1.Optional
Oct 18, 2026
2. Java `Optional` Behavior & Modern Alternatives (JDK 21)