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Desarrollador De Software Java Senior Interview Questions

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5,572 desarrollador de software 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?

Round 2: Q1 : What is pointcut & jointcut in Spring AOP. Q2 : What are the difference between shallow copy vs deep copy in Java? Q3 : Write an program which demonstrate custom Runtime exception? Q4 : Find employee for each department whose birthday falls on current month? Employee (id, name, dob, dept_id) Department (dept_id, dept_name)
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Senior Java Developer

Interviewed at CrimsonLogic

3.2★
Sep 30, 2020

Round 2: Q1 : What is pointcut & jointcut in Spring AOP. Q2 : What are the difference between shallow copy vs deep copy in Java? Q3 : Write an program which demonstrate custom Runtime exception? Q4 : Find employee for each department whose birthday falls on current month? Employee (id, name, dob, dept_id) Department (dept_id, dept_name)

Mostly core Java and SQL. Collections Hierarchy Collections.synchronizedCollection(Collection ) HashMap versus Hashtable Equals and hashCode ArrayList versus vector ArrayList verus LinkedList Treemap versus treeset Iterators Concurrent Hashmap Executor Pool Thread framework. Hashmap internals. Why doesn't hashtable allowe null key? BlockingQueue Reentrant lock Read write lock Deadlock program. How to avoid deadlock Wait, notify program Wait versus sleep,Wait versus yield InteruptedException Illegal monitor exception Exceptions thrown by threads. Why are strings immutable Abstract class versus interace OOPS Overriding versus overloading Exception hierarchy User defined exception Class.forname Reflection Garbage collection. When is it called. PermGen EdenSpace Static Final Comparator, comparable. Array.sort Colelctions.sort Joins SQL functions, like date, char String builder versus String buffer Singleton Factory Abstract factory Observer Composite JSP architecture
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Senior Software Engineer Java

Interviewed at Xoriant

3.9★
May 11, 2018

Mostly core Java and SQL. Collections Hierarchy Collections.synchronizedCollection(Collection ) HashMap versus Hashtable Equals and hashCode ArrayList versus vector ArrayList verus LinkedList Treemap versus treeset Iterators Concurrent Hashmap Executor Pool Thread framework. Hashmap internals. Why doesn't hashtable allowe null key? BlockingQueue Reentrant lock Read write lock Deadlock program. How to avoid deadlock Wait, notify program Wait versus sleep,Wait versus yield InteruptedException Illegal monitor exception Exceptions thrown by threads. Why are strings immutable Abstract class versus interace OOPS Overriding versus overloading Exception hierarchy User defined exception Class.forname Reflection Garbage collection. When is it called. PermGen EdenSpace Static Final Comparator, comparable. Array.sort Colelctions.sort Joins SQL functions, like date, char String builder versus String buffer Singleton Factory Abstract factory Observer Composite JSP architecture

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.
avatar

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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