Java Senior Interview Questions

6,015 java senior interview questions shared by candidates

Nothing difficult, but didn't expect interviewer will be busy with the phone. During the final phase ,I felt that I'm UN-welcomed because the way one of the interviewer behaved. The other tried to "apologize" for him, but it made the interview less interesting for me and for the other interviewer.
avatar

Senior Applications Engineer (Java)

Interviewed at R/GA

3.7
Aug 7, 2014

Nothing difficult, but didn't expect interviewer will be busy with the phone. During the final phase ,I felt that I'm UN-welcomed because the way one of the interviewer behaved. The other tried to "apologize" for him, but it made the interview less interesting for me and for the other interviewer.

1. What projects you have worked 2. Explain Abstract class and interface? How you implemented the project 3. Can we create an object in the interface 4. Features of Java 8 5. What is the functional interface 6. Types of annotations used in hibernate 7. SQL joins 8. What is the composite key? 9. Use of having clause 10. SQL query to fetch count of department based on department name 11. How to make class as immutable 12. Explain the final , finally and finalize 13. Syntax of hashmap 14. When we used arraylist and when we used linked list? Which is better for inserting the data? 15. Output of the following program String s = "Hello"; s.concat("world");
avatar

Senior Java Developer

Interviewed at NeoSOFT

3.6
Mar 28, 2024

1. What projects you have worked 2. Explain Abstract class and interface? How you implemented the project 3. Can we create an object in the interface 4. Features of Java 8 5. What is the functional interface 6. Types of annotations used in hibernate 7. SQL joins 8. What is the composite key? 9. Use of having clause 10. SQL query to fetch count of department based on department name 11. How to make class as immutable 12. Explain the final , finally and finalize 13. Syntax of hashmap 14. When we used arraylist and when we used linked list? Which is better for inserting the data? 15. Output of the following program String s = "Hello"; s.concat("world");

a codility test consists of 3 Questions , React , Spring , Problem Solving . After 1 week i made technical interview in egypt it was online (Spring , OOP ) example of Code and refactor to follow SOLID principles also interview in France few Technical and discussion
avatar

Senior Java Developer

Interviewed at Cegedim

3.4
Nov 19, 2023

a codility test consists of 3 Questions , React , Spring , Problem Solving . After 1 week i made technical interview in egypt it was online (Spring , OOP ) example of Code and refactor to follow SOLID principles also interview in France few Technical and discussion

Viewing 5331 - 5340 interview questions

Glassdoor has 6,015 interview questions and reports from Java senior interviews. Prepare for your interview. Get hired. Love your job.