Java Senior Interview Questions

Senior Java Developer

Interviewed at SOUTHSYSTEM

4.7★

Sep 20, 2021

Fale sobre um caso de sucesso de sua carreira

Senior Java Developer

Interviewed at Fortinet

3.8★

Oct 31, 2015

what is difference between ArrayList and Vector, what is difference between get and post, what is SSL

Senior Java Developer

Interviewed at Mercado Libre

4.1★

Aug 19, 2025

¿Usaste una base de datos relacional o NoSQL? ¿Cuál fue tu criterio para elegirla?

Sr. Backend Engineer - Java

Interviewed at CodaMetrix

4.3★

Jul 30, 2025

DSA, system design, technology stack questions, concepts etc

How are indexes typically implemented in a database like PostgreSQL? (Follow-up: B+ tree)

Can two different objects have the same hash code? What is the impact of a poorly implemented equals() and hashCode()?

What is "flushing" in the context of Hibernate? When does an "auto-flush" typically occur and why?

Senior Java Engineer

Interviewed at CDK Global

3.4★

May 4, 2017

public String replaceAll(String s, String s1, String s2)

Senior Software Engineer - Java

Interviewed at DrFirst

4★

Dec 26, 2014

Asked to explain a particular architectural design pattern (was familiar with it but did not know the actual name).

Senior Java Cloud Developer

Interviewed at Rocket Partners

3.9★

Feb 7, 2023

DFS in Java and similar coding exercises. Analyze a poorly written Java API for bugs.