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Round1 --> Second largest element in array --> java new features --> DB quetion --> global exception handling(on notepad) -->spring boot annotations etc Round 2 --> ==> Questions 1>. ACID property with example in detail of each property 2>. normalization in detail with example 3>. SQL queries in detail 4>. Java stream api 5>. find first non repeating character in string using stream 6>> microservices , all things syntaxs 7>> spring microservice design patterns 8>. authorization and authentication in detail user level access 9>. what id kafka is down, redis is down 10>. singleton design pattern with serliazation and deseriliazation thing 11>. elastic search 12>. how does JPA use hibernate behind the scene 13>. Prototype vs Request 14>. SAGA and csrq 15>> Synchronized block vs method vs class
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Senior Java Developer

Interviewed at Apptware

4.1★
Jul 11, 2025

Round1 --> Second largest element in array --> java new features --> DB quetion --> global exception handling(on notepad) -->spring boot annotations etc Round 2 --> ==> Questions 1>. ACID property with example in detail of each property 2>. normalization in detail with example 3>. SQL queries in detail 4>. Java stream api 5>. find first non repeating character in string using stream 6>> microservices , all things syntaxs 7>> spring microservice design patterns 8>. authorization and authentication in detail user level access 9>. what id kafka is down, redis is down 10>. singleton design pattern with serliazation and deseriliazation thing 11>. elastic search 12>. how does JPA use hibernate behind the scene 13>. Prototype vs Request 14>. SAGA and csrq 15>> Synchronized block vs method vs class

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