Senior Developer Java Interview Questions

Senior Java Developer

Interviewed at Nexllence

4.1★

Oct 5, 2022

In what contexts can final keyword be used and what is their meanings.

Senior Java Developer

Interviewed at Discovery (South Africa)

3.7★

May 12, 2022

Q: What is polymorphism? Q: Describe how you will create a login page

Senior Java Developer

Interviewed at Discovery (South Africa)

3.7★

May 12, 2022

Q: What is polymorphism? Q: Describe how you will create a login page

Java Senior Developer

Interviewed at Future Space

3.3★

Nov 17, 2020

Entresijos de java y todo el mundo que lo rodea. Bases de datos SQL y no SQL.

Senior Java/J2EE Developer

Interviewed at mjunction services limited

4★

Jun 17, 2018

Why mJunction

What is your skills in java

Senior Java Developer

Interviewed at Development Credit Bank Limited

3.7★

Aug 14, 2024

Annotations used in spring Collection based questions Sql constraints and explanations

Senior Java Developer

Interviewed at Clairvoyant

3.9★

Feb 1, 2018

Some SQL queries.

Senior Java Developer

Interviewed at Clairvoyant

3.9★

Feb 1, 2018

How to use custom key for HashMap? What precaution should be taken for same?

Senior Java Developer

Interviewed at OpSec Security Group

2.6★

Mar 11, 2025

2nd Round: Q1. Find the count of employees in the same department using Stream API. Q2. Longest substring of distinct characters input1: abcabcbb output1: abc input2: abcabcd output2: abcd input3: abcadbcd output2: bcad Q3. What is ThreadPool? Q4. How to enable security for APIs in spring boot? Q5. How to pass files in Rest API of a spring boot application? Q6. How to give customized HttpStatus code in spring boot Rest API? Q7. What is the use of @Async annotation in spring boot? Q8. Explain internal implementation of HashMap. Q9. Can we use a mutable object as a key of a HashMap? Q10. Explain String pool and string object creation. Q11. When will we use API vs Message Queue? Q12. How to pass a value from parent to child component in Angular?