What is a static variable in Java
Java Application Support Interview Questions
124 java application support interview questions shared by candidates
abstraction? encapsulation? overloading ? overusing? comparable? comparator? interface ? inheritance?
Brain teasers and logic, followed by programming knowledge.
Implement a scenario with doubleton pattern using java
Core java, spring and hibernate related questions
No much question as the test already define what you're going to do mostly as a developer
Technical: Basic Java, Spring Boot Common Annotations, Spring architecture, Difference between Autowire and Constructor Injection, Dependency Injection (What and How) Behavioral: What are you proud of in last role, How to overcome communication gaps
Linux related questions and about your tech stack related questions.
2 Round (Virtual)- They asked to write function to add, reverse, print and sort the linkedlist. They asked about ManyToMany mapping and implementation(create Book, Author class). The asked to write a query where there's book and author table and another table Book_Author.. now write a query to fetch all the book name by whose authore.gender == "FEMALE". 3 Round (F2F) - String s1 = new String("xyz"); String s2 = "xyz"; Map m = new HashMap(); m.put(s1,1); m.put(s2,2); m.length ???? - 1 why? ---------------------------------- class Employee{ id, name } Map h1 = new HashMap(); Can we have Employee as key here? How? what change we need to do in Employee class? and what will happen if i have 2 same id,name have? ans - hashable(), equals() method.. -------------- How can i sort the map by Employee id ? - Comparator vs Comparable -- Implementation ------------- Threads... Thread pool.. Executive Framework... ------------- if I have 5 threads and all of it have task... there's another task come up how will and which thread will be assigned ? ------------- Internal working of volatile keyword? How does it internally work? ------------------------------------------- Clustered vs Non Clustered Index in sql, postgresSQl -------------------------------------------- What is the most challenging thing have you done in your job?
Aptitude test, second interview: from an engineering background, the most difficult questions were on the concepts of whitebox testing, object-oriented programming language, open-source operating systems, subnet mask, and IPv4/6. Third interview: what are some financial products that you are familiar with? Tell me about the software development life cycle. Which programming language is your strongest and did you do any projects using this language?
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