Ingeniero Java Senior Interview Questions

Senior Java Developer

Interviewed at Vention

4.5★

Oct 9, 2025

What is a EntityManager really?

Senior Java Developer

Interviewed at Edenred

3.9★

May 18, 2026

What are generics and why are generic invariants? Given List list = new List, will this code work? list.add(new Cat()); list.add(new Dog());

Senior Java Developer

Interviewed at Tech Mahindra

3.4★

Jan 6, 2025

String related question like reverse a string count the length

Senior Java Developer

Interviewed at Tech Mahindra

3.4★

Oct 1, 2025

Introduction,jvm,dyanamic polymorphism,string immutable,sting and string pool,linkedhashmap and hashmap,some scenarion based questions,trywithresources,methods in objects,predefined functional interfcae,default and static interface

Senior Java Developer

Interviewed at Coforge

3.7★

Mar 20, 2026

ACID vs BASE 👉 Why do NoSQL systems prefer BASE?

Senior Java Developer

Interviewed at Coforge

3.7★

Mar 20, 2026

What is the hashCode() contract? String vs StringBuilder vs StringBuffer

Senior Java Developer

Interviewed at Tech Mahindra

3.4★

Jan 22, 2018

core java , jsp , web services, lot of on spring, db related

Senior Java Developer

Interviewed at NiCE

3.9★

Aug 3, 2019

Core java and Advanced java had 40 MCQ questions which included both theoretical and majorly programmatic questions. Topics recommended - Strings Oops concepts Threads Collections

Senior Java Developer

Interviewed at Picnic

3.3★

Jul 2, 2023

what would you bring to picnic?

Senior Java Developer

Interviewed at UST

3.8★

Jul 26, 2023

Fetch all the pairs which sum up to same number