Records + sealed interfaces = pattern power #java #codinginterview #programming
Mar 19, 2026•Channel
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Video Details
Published3 months ago
Duration0:10
Video IDfFiQl7aOCHk
Languageen
CategoryEducation
PrivacyPublic
Made for KidsNo
Video TypeYouTube Short
Performance Metrics
Views5.9K
Likes52
Comments13
Engagement Rate1.10%
Likes per 100 views0.88
Comments per 1K views2.19
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Description
Prints true. Records can implement sealed interfaces. Circle is a permitted subtype of Shape. instanceof checks runtime type. Sealed types + records = powerful algebraic data types in modern Java.