https://blog.substitute.tech/en/tags/collection/ Recent content in Collection on Haoxiqiang's Blog Hugo en Sat, 27 Dec 2014 08:35:07 +0000 https://blog.substitute.tech/en/posts/javahashmap%E7%9A%84%E5%AE%9E%E7%8E%B0%E5%8E%9F%E7%90%86/ Sat, 27 Dec 2014 08:35:07 +0000 https://blog.substitute.tech/en/posts/javahashmap%E7%9A%84%E5%AE%9E%E7%8E%B0%E5%8E%9F%E7%90%86/ <p>HashMap is one of the most frequently asked topics in Java interviews — it effectively tests a candidate&rsquo;s understanding of data structures and engineering trade-offs. This article breaks down its core design and implementation details.</p> <p><img alt="hashmap01" loading="lazy" src="https://blog.substitute.tech/images/hashmap01.jpg"></p>