Category: Real Time IT Articles

Questions Which Java collection would you use to store invoices for fast lookup by invoiceId? Why? How would

Questions Can you explain what is SCD Type 1, Type 2, and Type 3? Can you write a

Questions Can you give a high-level overview of your current project? What is your role and main responsibilities

Questions Suppose you have different types of users (AdminUser, RegularUser, GuestUser). How would you implement this using inheritance?

Questions A client requests that a specific field is hidden when a particular value is selected in a

Questions Write a function to compress a string using the counts of repeated characters. If the compressed string

Questions Explain how polymorphism was used to calculate ETAs differently for normal and priority deliveries. If a driver

Questions Users report that sometimes their photo/video uploads fail in your Spring Boot API. It works fine for

Questions What is the difference between a DataFrame and an RDD in PySpark? Why is it recommended to

Questions Module: Messaging and Queue Handling using IBM MQ How do you use multithreading in the messaging module