{"id":26547,"date":"2026-06-03T04:26:02","date_gmt":"2026-06-03T04:26:02","guid":{"rendered":"https:\/\/sharpinterview.online\/?sharp_flashcard=flashcard-flash-java-ch3-curated-091"},"modified":"2026-06-03T04:26:02","modified_gmt":"2026-06-03T04:26:02","slug":"flashcard-flash-java-ch3-curated-091","status":"publish","type":"sharp_flashcard","link":"https:\/\/sharpinterview.online\/?sharp_flashcard=flashcard-flash-java-ch3-curated-091","title":{"rendered":"Java: Invariants and Validation"},"content":{"rendered":"<p><strong>Track:<\/strong> Java<\/p>\n<p><strong>Topic:<\/strong> OOP<\/p>\n<p><strong>Focus:<\/strong> Invariants and Validation<\/p>\n","protected":false},"excerpt":{"rendered":"<p>How would you explain a class invariant in an interview?<\/p>\n","protected":false},"author":1,"template":"","topic":[316,3,300],"class_list":["post-26547","sharp_flashcard","type-sharp_flashcard","status-publish","hentry","topic-invariants-and-validation","topic-java","topic-oop"],"_links":{"self":[{"href":"https:\/\/sharpinterview.online\/index.php?rest_route=\/wp\/v2\/sharp_flashcard\/26547","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sharpinterview.online\/index.php?rest_route=\/wp\/v2\/sharp_flashcard"}],"about":[{"href":"https:\/\/sharpinterview.online\/index.php?rest_route=\/wp\/v2\/types\/sharp_flashcard"}],"author":[{"embeddable":true,"href":"https:\/\/sharpinterview.online\/index.php?rest_route=\/wp\/v2\/users\/1"}],"wp:attachment":[{"href":"https:\/\/sharpinterview.online\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=26547"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/sharpinterview.online\/index.php?rest_route=%2Fwp%2Fv2%2Ftopic&post=26547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}