what Spring boot Annotations you have used
Software Developer Engineer Interview Questions
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First question was on the projects i had worked on in my last company as I had applied on 2.5 years experience. After that some questions to write code: SQL: que1: Get counts of people belonging to different cities from a table having, table.Sno, table.Name, Table.city que2: What is nomalization in the DB and how do we achieve that. C#: que3: What are static class and static methods? que4: How does garbage collection works on static class? que5: What are heap and stack memories? que6: Using LINQ Sort a given list of strings. que7: How do we make our code thread safe? que8: Explain thread synchronisation and its techniques. que9: When do we use interfaces and when abstract classes? que10: What are delegates in c#.
Maximum subarray sum in circular array and group anagrams
Total 2 question, 1 programming challenge something similar to medium challenge questions from leetcode. 2: to write a spring boot rest end point with so some business logic.
Java 8, Collections framework, Exception Hierarchy, String related questions, Spring boot, Spring data, JPA, Hibernate, java 8 code problem, code problem, exception handling. Spring framework, Spring MVC framework. Employee management machine learning project using Spring.
explain internal structure of hashmap.
Data Structures, Algorithms, DBMS, OS, networking
Why do you want to work at Picnic?
Que- Explain the oops concepts with real-life examples-
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