"If two objects are equal according to equals() , their hashCode() must be equal. If two objects have the same hashCode() , they may not be equal."
Most textbooks give you a generic JVM diagram. Durga Sir’s notes break down: core java complete notes by durga sir top
's are widely regarded by the developer community as some of the most comprehensive materials for mastering Java fundamentals and preparing for technical interviews. With an average student rating of 4.6 stars , they are particularly praised for their "clear-cut explanation without beating around the bush". Key Highlights of the Notes "If two objects are equal according to equals()
. He emphasizes that Java is a "class-based" language where everything revolves around the object. Key areas covered include: With an average student rating of 4
This level of detail is why the "Core Java complete notes by Durga Sir top" keyword is searched so frequently.
Use his notes for the pillars (OOPS, Multithreading basics, Collections, Exception Handling). Then use modern documentation for Streams, Concurrency utilities ( CompletableFuture ), and GC improvements (G1GC, ZGC).