{"id":24078,"date":"2026-06-03T04:23:29","date_gmt":"2026-06-03T04:23:29","guid":{"rendered":"https:\/\/sharpinterview.online\/?sharp_quiz=java-interview-treemap-navigation-comparison"},"modified":"2026-06-03T04:23:29","modified_gmt":"2026-06-03T04:23:29","slug":"java-interview-treemap-navigation-comparison","status":"publish","type":"sharp_quiz","link":"https:\/\/sharpinterview.online\/?sharp_quiz=java-interview-treemap-navigation-comparison","title":{"rendered":"Java: In Java, which comparison about TreeMap and NavigableMap is accurate?"},"content":{"rendered":"<h2>Question<\/h2>\n<p>In Java, which comparison about TreeMap and NavigableMap is accurate?<\/p>\n<ol type=\"A\">\n<li>There is no practical difference in behavior, performance, or API design when TreeMap and NavigableMap is involved.<\/li>\n<li>TreeMap is slower than HashMap for pure lookup on average, but it provides ordered operations that hash tables do not.<\/li>\n<li>The oldest option related to TreeMap and NavigableMap is always the right production choice regardless of context.<\/li>\n<li>Differences around TreeMap and NavigableMap are mostly cosmetic, so correctness and maintainability do not change.<\/li>\n<\/ol>\n<h2>Hint<\/h2>\n<p>Focus on the behavior or tradeoff, not just the keyword.<\/p>\n<h2>Answer and rationale<\/h2>\n<p><strong>Correct answer:<\/strong> B. TreeMap is slower than HashMap for pure lookup on average, but it provides ordered operations that hash tables do not.<\/p>\n<p>TreeMap is slower than HashMap for pure lookup on average, but it provides ordered operations that hash tables do not. This is the comparison that usually separates memorization from understanding.<\/p>\n<p><strong>Track:<\/strong> Java<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Java, which comparison about TreeMap and NavigableMap is accurate?<\/p>\n","protected":false},"author":1,"featured_media":0,"template":"","topic":[76,3,4],"difficulty":[6],"class_list":["post-24078","sharp_quiz","type-sharp_quiz","status-publish","hentry","topic-collections-treemap-and-navigablemap","topic-java","topic-java-interview-questions","difficulty-easy"],"_links":{"self":[{"href":"https:\/\/sharpinterview.online\/index.php?rest_route=\/wp\/v2\/sharp_quiz\/24078","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sharpinterview.online\/index.php?rest_route=\/wp\/v2\/sharp_quiz"}],"about":[{"href":"https:\/\/sharpinterview.online\/index.php?rest_route=\/wp\/v2\/types\/sharp_quiz"}],"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=24078"}],"wp:term":[{"taxonomy":"topic","embeddable":true,"href":"https:\/\/sharpinterview.online\/index.php?rest_route=%2Fwp%2Fv2%2Ftopic&post=24078"},{"taxonomy":"difficulty","embeddable":true,"href":"https:\/\/sharpinterview.online\/index.php?rest_route=%2Fwp%2Fv2%2Fdifficulty&post=24078"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}