Total 4 rounds : 2 virtual and 2 onsite rounds

1st round

1. Linked List concepts and reverse a linked list
2. Balanced paranthesis
3. Some questions of Spring Boot & Java

2nd Round

1. SOLID Principles
2. Inversion of Control vs Dependency Inversion
3. int five = 5;
   int two = 2;
   int total = five + (five > 6 ? ++two : --two);
   Whats the value of total ?
4. Lambda Functions
5. Find the sum of elements in list using Java 8 Streams
6. Find the product of elements in list using Java 8 Streams
7. Given a list, sort and get the first element using Java 8
8. Singleton class and Implement single
9. public static void main(String... args) {
   String car, bus = "petrol";
   car = car + bus;
   System.out.println(car);
   }
10. volatile keyword
11. Runnable vs callable
12. public class Test {
    public static void main(String[] args) {
    for(int i=0; 0; i++) {
    System.out.println("Hello World!");
    }
    }
    }
    13.public class Code {
    public static void main(String[] args)
    {
    if (true)
    break;
    }
    }
13. Java Hashmap internal working and how collisions are handled
14. Filter Interface vs Intercept or Interrupt interface (Don't remember this question)
15. Composition vs Aggregation vs Association
16. You are given the head of a linked list. Delete the middle node, and return the head of the modified linked list
17. String Pool Concept

STATUS : Got Rejected. No Feedback, Tried to contact HR, they Ghosted me