Quesstion1: Generating All Permutations of a String in Java. Problem Statement Given an input string, generate all possible permutations of the string. For example, if the input string is “abc”, the output should be: Solution: Question 2: Can you explain to me String Boot features, real-time features, and how you have implemented them in your […]
This is most frequenly asked by the interviewer, when an interviewer asks about the internal workings of a HashMap, they are typically looking for an understanding of the following concepts: Here’s a simple example of how a HashMap works: Remember, the exact details of how a HashMap works can vary between different versions of Java […]
Comparing Hashtable and Synchronized Map in Java In Java, both Hashtable and Synchronized Map are thread-safe implementations of the Map interface. However, they differ in their internal implementation, features, and behavior. This table highlights the key differences between Hashtable and Synchronized Map: Sr. No. Key Hashtable Synchronized Map 1 Thread-Safety Hashtable is thread-safe by design. […]
Comparing ReentrantLock and Synchronized in Java In Java, both ReentrantLock and the synchronized keyword are used to achieve thread synchronization and prevent race conditions. However, they differ in their approach, features, and behavior. This table highlights the key differences between ReentrantLock and Synchronized: Sr. No. Key ReentrantLock Synchronized 1 Acquire Lock ReentrantLock provides the lock() […]
Comparing ArrayList and HashSet in Java When working with collections in Java, two widely used implementations are ArrayList and HashSet. While both are part of the Java Collections Framework, they have distinct characteristics and use cases. In this blog post, we’ll explore the key differences between ArrayList and HashSet through a comprehensive table. Sr. No. […]
Sure, I can create a blog post explaining the disadvantage of CopyOnWriteArrayList and the limitation of not being able to modify the list while iterating over it. Here’s a draft: Title: Understanding the Limitation of CopyOnWriteArrayList in Java CopyOnWriteArrayList is a thread-safe variant of ArrayList in Java, designed to allow concurrent reads and writes without […]
Question: Can you talk about your technical experience in brief? What skills and technologies you have worked on? How much experience do you have on those things? Answer: Neelabh provided details about his 6.5 years of experience working with Java, Spring Boot, microservices, AWS cloud, and data structures & algorithms. He mentioned working at companies […]
Before we delve into the detailed questions and explanations for the second round of the Caspex interview, it’s important to understand what the first round entails. If you haven’t already, I highly recommend checking out our comprehensive guide on the First Round of the Caspex interview: https://codetechsummit.com/interview-at-caspex-bangalore/ This will give you a solid foundation and […]
What is a Microservices Pattern? From a microservices perspective, a microservices pattern can be defined as a reusable solution or best practice that addresses a common design problem or challenge faced when building and implementing microservices-based systems. Microservices patterns serve as proven guidelines, strategies, or architectural approaches that help in designing, structuring, and implementing microservices […]