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Use the power of Optional in Java!
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Java Optional min max Streams #15
November 17, 2019
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Java 9 Optional orElse orElseGet orElseThrow #1
June 3, 2019
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Java Challengers
Java Algorithm Interview Challenger
Golden Lessons
FREE Content
The Challenger Developer Guide
Low Hanging Java Challenges
No Bugs No Stress
External Publications
Info World Challengers
O’Reilly Katacodas (Trial Required)
Videos
Java Challengers Explanations Videos
Become a Senior Developer
Developer Interviews
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