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Java Senior Interview Questions

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6,033 java senior interview questions shared by candidates

1. Correlation ID 2. Junit and mockito related questions - how to write test case for private methods. 3. Spring Scenario based questions 4. Java oops concepts 5. Stack and heap memory 6. Http Multipart request 7. http status Eg : what does status 204 means 8. Microservies 9. Jenkins - CI/CD process 10. Why equals and hashcode methods has to override? and internal working of hashmap
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Senior Java Developer

Interviewed at Barclays

3.9★
Nov 10, 2022

1. Correlation ID 2. Junit and mockito related questions - how to write test case for private methods. 3. Spring Scenario based questions 4. Java oops concepts 5. Stack and heap memory 6. Http Multipart request 7. http status Eg : what does status 204 means 8. Microservies 9. Jenkins - CI/CD process 10. Why equals and hashcode methods has to override? and internal working of hashmap

Core Java ------------- Java 8 Features Stream API Lambada Expression Method Reference Ways to create Threads Thread Lifecycle Diff. b/w Comparable and Comparator Synchronization in Thread Collection Related Questions ---- Write a program in an array of Integer to find the frequency of the element Write a program from a List of Employees where name and department will be there Group it by department using stream API
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Senior Java Developer

Interviewed at Altimetrik

3.9★
Sep 6, 2024

Core Java ------------- Java 8 Features Stream API Lambada Expression Method Reference Ways to create Threads Thread Lifecycle Diff. b/w Comparable and Comparator Synchronization in Thread Collection Related Questions ---- Write a program in an array of Integer to find the frequency of the element Write a program from a List of Employees where name and department will be there Group it by department using stream API

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