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This article explains how Java handles string literals and the new String() constructor, detailing when objects are created in the string constant pool versus the heap, and demonstrates the resulting reference comparisons with code examples.
This article explains what MySQL indexes are, how they work, their advantages and drawbacks, the different types of indexes—including primary, ordinary, composite, and full‑text—and dives deep into B‑Tree and B+Tree structures, clustering, page organization, and best practices for efficient query performance.
