Had an interview with a consultancy.

Attempted an interview on their payroll. The interview was conducted on a weekend.

The process was so smooth.

The interview will be easy, but the interviewer expects exact details more than just concepts.

Given a binary string, find all substrings that start with '1' and end with '0'. Print without duplicate substrings.

What happens if we assign an int to a short without casting it explicitly?

What happens if we pass print(null) when a class has two methods, one that takes an Object Integer and another that takes an Object String?

What are Errors in Java, and what are some examples?

Internal details of HashSet, LinkedHashSet, TreeSet, and HashMap.

Few questions on basic thread concepts.