3)face-face with developer Questions included collection framework Difference between equals and == how to implement linked list without using collection in java only model it not whole code about hash code why it is used in java in which scenario 4)face- to face project manager Tell some thing about you previous projects explain them thoroughly.? What are API did you used any API in your last project ? i answered it yes Explain working of API? Hibernate one to one / one to many any example how to model such relationship ? Have you experience on spring? Implementation of singleton Class in java?