10+ new features you ought to know using Java 8
summary
Claims Java 8 rewrites Java with concrete features and code: Stream pipelines (filter buyers age>65 → map seller → distinct → sort → forEach print), lazy evaluation and easy parallelStream parallelism; lambdas, method references and general functional interfaces; Optional chaining with orElseGet to avoid nulls; new Date/Time API; files.lines producing streams; StampedLock optimistic reads with upgrade to pessimistic; concurrent counters via LongAdder for much better throughput; Nashorn JS, base64, overflow-checked ops and repeatable annotations.
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chapters (9)
- 0:00Java 8 revolution
- 3:15Why migrate to Java 8
- 10:20Stream API introduction
- 15:44Functional interfaces
- 21:24Lambda expressions
- 28:16Optional class benefits
- 32:33New Date and Time API
- 35:50Concurrent features
- 43:16Miscellaneous enhancements
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