hacker rank test which consists of coding problem, and java, spring MCQs.
Java Software Developer Interview Questions
3,069 java software developer interview questions shared by candidates
Customized object as HashMap key
SQL : Given City and School table, print cities and count of school in those cities where count is more than 10
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
Why you want to join company
mostly abstraction and interface question
technical assessment to create rest api
Multi thread ,java8,sql, springboot basics
4. Exception handling in web service.
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