1st round: HR phone interview

2nd round: Technical phone interview (awaiting response)

They usually expect elaborate answers from candidates, so don't be surprised if the interviewer asks for more points within the same answer.

Discrete Math:

• Linear functions
• Big O notation
• Hash tables, BSTs, arrays, and linked lists: Time complexities for insertion and deletion
• Pigeonhole principle
• Linked list deletion operations
• Hash functions

C:

• #include <stdio.h>
• Difference between using angle brackets <> and double quotes "" for include directives
• const and #define
• typedef
• malloc()
• Comparison with calloc()
• struct and class
• Difference between class ClassName; and class ClassName {};

C++:

• Operator overloading
• Operators that cannot be overloaded

OS:

• Cache
• Cache miss and hit
• Mutex
• Multithreading
  • Advantages

Java:

• Classpath
• Generics
• Is Java machine independent?
• Is JVM machine independent?
• JRE and JDK
• final class
• final variable
• abstract class
• == and .equals()