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6,021 java senior interview questions shared by candidates

1. Is Groovy compiled or interpreted? 2. How do you stop a cron job? 3. What is the difference between Java and Groovy? 4. What is the difference between UNION and UNION ALL in SQL? 5. What are the types of SQL joins? 6. What is the difference between Heap and Stack memory? 7. What is the Singleton pattern? 8. 8. How would you implement a method sum(x, y) without using built-in operations or the '+' operator?
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Senior Java Developer

Interviewed at Santander

3.8★
Oct 27, 2025

1. Is Groovy compiled or interpreted? 2. How do you stop a cron job? 3. What is the difference between Java and Groovy? 4. What is the difference between UNION and UNION ALL in SQL? 5. What are the types of SQL joins? 6. What is the difference between Heap and Stack memory? 7. What is the Singleton pattern? 8. 8. How would you implement a method sum(x, y) without using built-in operations or the '+' operator?

Currently woking project flow, they have not good interview process, they told you they will provide you quick result but they will not, There is one member name is Abhijit paul he is not answering the call for feedback. Bhai nahi huva to bata dena.
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Senior Java Developer

Interviewed at COWBELL CYBER, Inc.

4.3★
Mar 1, 2023

Currently woking project flow, they have not good interview process, they told you they will provide you quick result but they will not, There is one member name is Abhijit paul he is not answering the call for feedback. Bhai nahi huva to bata dena.

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