Tata Consultancy Services Systems Engineer interview questions

The following questions were asked to me in the technical round: 1) In simple terms, explain what is Blockchain Technology. 2) Is Bitcoin a part of Blockchain or vice versa? 3) What is AI, ML and Deep Learning? 4) What is Big Data Analytics? 5) Explain Exception Handling with an example. 6) What is the use of "finally" block in exception handling? 7) Explain the pillars of object oriented programming namely abstraction, encapsulation, polymorphism and inheritance. 8) Explain Overloading and Overriding. 9) What is Final? 10) Difference between JDK and JRE. 11) What is JVM? 12) Name various data types in Java. 13) Why multiple inheritance is not there in Java? 14) Describe your projects