Chapter 4 — Core APIs
Master Java's core APIs: String, StringBuilder, arrays, Arrays utility class, Math API, BigInteger/BigDecimal, and the modern Date-Time API including daylight saving time shifts.
Master Java's core APIs: String, StringBuilder, arrays, Arrays utility class, Math API, BigInteger/BigDecimal, and the modern Date-Time API including daylight saving time shifts.
Java String basics for interviews, including immutability, pooling, and object creation patterns.
Programming-focused Java interview problems on string rotation checks and transformations.
Master contiguous memory structures in Java, including static arrays and string immutability, and optimize range queries using the Prefix Sum pattern.
Master the Trie data structure for lightning-fast string manipulation. Learn to build Autocomplete systems, handle wildcard searches, and optimize multi-word grid searches in Java.