Round 1: HR briefly asked about resume and previous experiences and there were more questions about recent projects about how my contributions impacted the project Round 2: (on call) There were basic questions about technologies related to Java stack Questions: What is polymorphism? Interface vs abstract class? What do you know about collections? Hash map vs hash table? Explain multithreading and have you used in real-time? Give example for Checked and unchecked exceptions? How can you create a mutable object? He just asked like if I know the concept of design patterns but know questions? Do you know jprofiling? How deployment used to be in your previous projects? Aggregate functions in sql? Why normalization? What do we need to do to decrease the retrieval time? Life cycle of servlet? Element and attribute in xml? What is aspect oriented programming and why we use it? What is RESTful service? How to read JSON data? How maven works? Round 3:(Skype Call) Here they asked more about question related to collections about different methods in it etc., When to use abstract class and when to use an interface? What is a singleton design pattern? String buffer vs string builder? He just asked me to explain my resume very clearly and asked me questions like how workflows are designed etc., Method in a rest services? They shared few code snippets in collabedit and asked to tell outputs and explain the flow? Write a java program to find first non-repeated character in a string in collabedit? Round 4:(webex interview) This round was with hiring Manager he gave clear details about the roles and responsibilities of this position and project as well. final vs finally vs finalize? Explain overriding? Locale in multithreading? How configuration can be done in managed between environments? Basic principles of doing framework? Why spring boot? Different end points in actuator? What is the need of Spring boot dev tools? What do you know about cloud computing? Questions about Jenkins continuous integration? He asked me to share my laptop screen and then create a sample project to create a new user with basic details with complete flow? There were few other projects as well in my laptop at that time so he asked give a walk over of those projects as well?

Players moving on a multi-dimension array. If a target is occupied, the player cannot move to that position. There are 4 types of move: up, down, left and right.