Find Interview Questions for Top Companies
Ques:- Find the second largest element in an array. (http://www.geeksforgeeks.org/to-find-smallest-and-second-smallest-element-in-an-array/)
Asked In :- infocepts,
Ques:- Why do I want to leave my current company on such a short interval of 5 months
Asked In :- OX SoftwareS,
Ques:- Explain the approach of LRU cache and implement using object oriented language
Ques:- Connect Sibling pointers. I gave a Level Order Traversal solution. He asked to do it in O(1) space complexity. I explained the approach but messed up In writing the working code for that
Ques:- Design a system for finding the costliest element always whenever we pick up an element from a box.(concept of Max Heap)
Ques:- What is the meaning of memory leakage?
Asked In :- SilicONus, Keyence,
Ques:- Write a program to show whether a graph is a tree or not using adjacency matrix
Asked In :- c2fo, virgo,
Ques:- What are the differences between graph and tree?
Asked In :- attunity, k2b solutions,
Ques:- What is the definition of tree ?
Asked In :- Appzone, yandex,
Ques:- What happens on server side on receiving HTTP requests and how operating system interacts and then discussion related with threading, thread pool ,synchronization, hashing etc
Asked In :- Elexes,
Ques:- reasons for leaving present company, ,
Asked In :- Cynet Systems, epic games,
Ques:- why would you choose Amazon and not Flipkart if you have offers from both
Ques:- How to know the time between someone writes Amazon.com and the page appears on his browser for a particular user. I impressed him by suggesting to use dummy request packets after the page is loaded completely sending the time J
Asked In :- hyperscience,


The Java skill section on takluu.com is designed for freshers, intermediate developers, and experienced professionals aiming to crack Java-based technical interviews with confidence. Java remains one of the most in-demand programming languages, and mastering it opens the door to countless opportunities in backend development, enterprise solutions, Android apps, and cloud-based platforms.

Our Java category covers everything from Core Java concepts like OOPs (Object-Oriented Programming), Data Types, Loops, and Exception Handling to Advanced Java topics including Collections Framework, Multithreading, JDBC, Servlets, JSP, Lambda Expressions, and Streams. We provide practical coding examples, real interview questions (with answers), and key concept explanations that interviewers commonly test.

Whether you’re applying for a role like Java Developer, Backend Engineer, or Full Stack Developer, this section ensures you understand the logic, syntax, and problem-solving approaches that matter in real-world interviews. You’ll also find scenario-based questions and discussions around design patterns, JVM internals, garbage collection, and performance tuning — areas often explored in senior-level interviews.

Each topic is structured to help you revise quickly and efficiently, with quizzes and mock interviews to assess your understanding. Our content is curated by experts who have worked with Java across different domains and keep the material aligned with current industry trends.

At Takluu, we believe in not just learning Java — but preparing to think in Java. Get ready to face interviews with clarity, confidence, and a deep understanding of what makes Java so powerful and reliable.

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