-Class loaders internal working in java -Interviewer asked me to explain ECP for 1-100 I gave to classes (1 valid : 1-100 2 Invalid: <0 and >100) he said it is not ECP. I was confused I tried to explain he resisted and explained me ECP = classes like 1-15, 20-45, 50-70 etc. well i was not good. I have revise my concepts. -What is Heap Dump Analysis?How did you do the analysis? what did you find? Discussion was on java, js, memory management,DB, frameworks & Methodologies CI/CD and other technologies I worked on.