1. Singleton Class, Create the Singleton Class in 2 ways.(direct and thread safe) 2. Hash Map implementation. 3. Thread related questions, Sync, Life Cycles, States. 4. ways of creating the thread, which do you prefer and why ? 5. Wait vs Sleep 6. Serialization. 7. Comparable vs Comparator 8. Rest API, Service, Annotation, Repository, JPA, Junit
First Round: Hacker Ranker(2 sets of Programs Medium Level and MCQ Code Questions) Second Round: Technical Interview Questions asked are Internal workings of Hashmap example based on it, no of occurrence of a character from an array of characters, Java inheritance in-depth Understanding, MultiThreading, and Exception Handling
mostly abstraction and interface question
technical assessment to create rest api
Multi thread ,java8,sql, springboot basics
4. Exception handling in web service.
1. Difference between Association and Composition
1) Simple Java MCQ related stream filtering 2) Code assessment to validate date inputs using array and string manipulation. 3) Agile task estimation experience
OOP concepts and Web protocoles
Tell me about yourself and your job at the current company
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