Java Full Stack Developer Interview Questions

What is garbage collection and what is finalize () method?

Java Full Stack Developer

Interviewed at Unknown Planner

3.8★

Nov 29, 2021

Explain me about basic oops concepts

Full Stack Java Developer

Interviewed at Ministry of Railways, Government of India

3.9★

Sep 11, 2023

Online Assessment 90Qs 90min ( Aptitude)

Full Stack Java Developer

Interviewed at Cognixia

4★

Apr 9, 2024

Have you had any experience in tech before?

Full Stack Java Developer

Interviewed at Antra

4.2★

Apr 6, 2021

2 sums, leetcode easy questons

Full Stack Java Developer

Interviewed at Antra

4.2★

Oct 7, 2020

15 mins coding test - Find the nth largest number in an array, by its value. n > 0. All positive numbers. input: arr = {1,2,3,3,4,4} output : if n=1, 1st largest = 4, if n=2, 2nd largest = 3. if n = 5, return -1

Full Stack Java Developer

Interviewed at SkillStorm

3.5★

Nov 19, 2024

What's the difference between a class and an object.

They asked me how many maximum slices can you have of a cake when you cut it with 3 slices.

Full Stack Java Developer

Interviewed at Cogent Infotech Corp

4.6★

Mar 14, 2023

What are the four principles of object oriented programming? explain each of them. What is the difference between an array and a list.

Full Stack Java Developer

Interviewed at Jio

4.3★

Aug 20, 2020

Difference between runtime polymorphism and compile time polymorphism