Kafka / Spring Boot
What is meant by a local variable and an instance variable?
What is meant by an abstract class?
An abstract class may also have a non-abstract method.
The concrete subclass that extends the abstract class should provide the implementation for abstract methods.
Kafka Topic
Difference between String, StringBuilder, and StringBuffer.
Ans:
String: String variables are stored in the “constant string pool”. Once the string reference changes, the old value that exists in the “constant string pool” cannot be erased.
The following metrics were computed from 363 interview experiences for the IBM Software Engineer role in United States.
IBM's interview process for their Software Engineer roles in the United States is fairly selective, failing a large portion of engineers who go through it.
Candidates reported having very good feelings for IBM's Software Engineer interview process in United States.