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Senior Java Developer Interview Questions

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5,535 senior java developer interview questions shared by candidates

How Garbage collector works internally What is collision Can two objects have same hashcode From employee list select highest salary How concurrent hashMap internally works Bean scope How you handle exception in Spring Find Duplicate name in arrayList @Transcational Annotation is used for? How you will implement API How you test API JPS? what is difference between singleton in java and singleton in spring Optional Throwable
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Senior Java Developer

Interviewed at Tesco

3.8★
May 22, 2022

How Garbage collector works internally What is collision Can two objects have same hashcode From employee list select highest salary How concurrent hashMap internally works Bean scope How you handle exception in Spring Find Duplicate name in arrayList @Transcational Annotation is used for? How you will implement API How you test API JPS? what is difference between singleton in java and singleton in spring Optional Throwable

3 Rounds there , 1st Technical 2nd Managerial 3rd Technical ---- 1st Round Related to Spring Boot Annotations Core Java Stream API Features of Java 8 SQL queries to get the Second Highest Salary from the Employee Table. ------------- 3rd Round Technical is quite pathetic The Interviewer is not ok with English Typical South Indian speaking like Tamil in English. He was not able to convey the Questions .... Technical was simple but they rejected me
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Senior Java Developer

Interviewed at Infogain

3.6★
Sep 6, 2024

3 Rounds there , 1st Technical 2nd Managerial 3rd Technical ---- 1st Round Related to Spring Boot Annotations Core Java Stream API Features of Java 8 SQL queries to get the Second Highest Salary from the Employee Table. ------------- 3rd Round Technical is quite pathetic The Interviewer is not ok with English Typical South Indian speaking like Tamil in English. He was not able to convey the Questions .... Technical was simple but they rejected me

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