InJavarevisitedbyHarry·1d agoInterviewer asked me why 127 == 127 return true but 128 == 128 return false?The java interview trapA response icon1A response icon1
Backend Engineer·6d agoI Removed an Element From ArrayList. The Next Element Escaped.A Java developer wrote a loop to remove every occurrence of a particular number from an ArrayList.
Backend Engineer·6d agoStop Writing Loops Wrong in Java. Here’s How to Write Them.“Congratulations! Your loop works. It only takes twice as many lines, an unnecessary index, and a little patience from whoever reviews your…
Vikas Taank·Nov 3Is static final Thread-Safe in Java?Java Interview Question Series: Java Design & Implementation
InMastering Java: Core Concepts to Advanced TechniquesbyAnkita Kolhe·Nov 3EPAM Java Developer Interview Experience: Core Java, Microservices, Kafka, and AIReal-world interview questions covering MCP, RAG, ConcurrentHashMap, CompletableFuture, Java coding, CAP theorem, JWT, OAuth 2.0, Saga…
InJavarevisitedbyJitin Kayyala·Nov 2This Java Code Compiles, Runs, and Does Nothing: The Truth About Lazy EvaluationHow long before you notice that no email was ever sent?
FullStack With Ram·Nov 2Spring Security Explained: Who Are You vs What Can You Access?Many developers use these terms interchangeably, but they serve two completely different purposes.
InBoot Camp JavabyNavya Devadiga·Nov 120 Array and String Interview Problems in Java, Solved by the 5 Patterns Behind ThemTwo pointers, sliding window, prefix sums, binary search: 20 problems, all tested. Fruit Into Baskets brute force: 34.9 s; the window: 1…
Arvind Kumar·Oct 25Spring Boot 3 Is Out of Support: A Production Migration to Boot 4 + Java 25Not another how-to. A team-level rollout plan, the Jackson 3 traps, and a testing strategy that catches them.
