13 questions · from 1 interviews
S&pglobal interview questions
Every question candidates reported from their S&pglobal interviews, most frequently asked first. Each links to the write-up it came from, so you can see the round and how it went.
S&pglobal coding and DSA questions
- 01
Merge k Sorted Lists
Merge k sorted linked lists into one sorted list.
Hard · From S&PGlobal || Senior Software Engineer| | Interview Experience
- 02
Iterator Modification in For-Each Loop
Discuss what happens when list.add() or list.remove() are used inside a Java for-each loop and how to avoid such issues.
From S&PGlobal || Senior Software Engineer| | Interview Experience
S&pglobal system design questions
- 01
Executor Framework & Thread Pool Sizing
Discuss experience with the Java Executor Framework, specific thread pools used, and how to determine the number of threads for 1000 tasks in a fixed thread pool.
From S&PGlobal || Senior Software Engineer| | Interview Experience
- 02
Spring Security: JWT Token Invalidation
How to invalidate a JWT token using Spring Security.
From S&PGlobal || Senior Software Engineer| | Interview Experience
- 03
Observer Pattern vs. Kafka
Explain the Observer Design Pattern and compare its principles to how Kafka works.
From S&PGlobal || Senior Software Engineer| | Interview Experience
- 04
In-Memory Cache
Discuss concepts and implementation of an In-Memory Cache.
From S&PGlobal || Senior Software Engineer| | Interview Experience
S&pglobal other questions
- 01
Java 8 New Features
Discuss new features introduced in Java 8.
From S&PGlobal || Senior Software Engineer| | Interview Experience
- 02
Stream API: toList() vs collect(Collectors.toList())
Explain the difference between Stream.toList() and Stream.collect(Collectors.toList()) in Java's Stream API.
From S&PGlobal || Senior Software Engineer| | Interview Experience
- 03
Fail Fast vs. Fail Safe Iterators
Explain the concepts of Fail Fast and Fail Safe Iterators in Java.
From S&PGlobal || Senior Software Engineer| | Interview Experience
- 04
Collections.sort() Algorithm
Identify which sorting algorithm is used internally by Collections.sort() in Java.
From S&PGlobal || Senior Software Engineer| | Interview Experience
- 05
Concurrent HashMap Internals
Explain the internal working mechanism of ConcurrentHashMap.
From S&PGlobal || Senior Software Engineer| | Interview Experience
- 06
Completable Future
Discuss CompletableFuture in Java for asynchronous programming.
From S&PGlobal || Senior Software Engineer| | Interview Experience
- 07
Builder Pattern
Explain the Builder Design Pattern.
From S&PGlobal || Senior Software Engineer| | Interview Experience
S&pglobal interview questions FAQ
What questions are asked in S&pglobal interviews?
Candidates reported 13 distinct questions across 1 S&pglobal interviews. 2 coding and DSA questions, 4 system design questions, 7 other questions.