M.Karthikeyan·Oct 23I Added Two Identical Objects to a HashSet. Why Did Java Keep Only One?My learning journey from confusion to understanding Java object duplicates
M.Karthikeyan·Sep 11I Was Confused by IS-A, HAS-A and Polymorphism — Then I Built ThisI Finally Understood IS-A and HAS-A in Java — Not From Theory, But From One Small Program
M.Karthikeyan·Sep 9I Thought I Knew Java… Until This One Bank Program Exposed What I Didn’t UnderstandToday I was learning Java and I thought it was going to be just another normal coding session.
M.Karthikeyan·Sep 8🔥 “Wait… What Is a POJO Class? The Question I Had to Answer Before My Java Session Began!”Today, before starting the session about POJO Class, our Dhileepan sir told us something simple.
M.Karthikeyan·Sep 6🚀Beyond Writing Code: How I Finally Understood What Happens Inside My Java ProgramToday I continued my Java learning and spent some time understanding constructors, inheritance, this, super, static blocks, and method…
