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Oracle Senior Application Developer Interview Questions, Process, and Tips
Top Oracle Senior Application Developer Interview Questions and Answers
- Q1. Intersection of Linked List Problem You are provided with two singly linked lists containing integers, where both lists converge at some node belonging to a third linked ...read more
- Q2. LRU Cache Design Question Design a data structure for a Least Recently Used (LRU) cache that supports the following operations: 1. get(key) - Return the value of the key ...read more
- Q3. Convert a Binary Tree to its Sum Tree Given a binary tree of integers, convert it to a sum tree where each node is replaced by the sum of the values of its left and righ ...read more
Oracle Senior Application Developer Interview Experiences
3 interviews found
Interview Questionnaire
4 Questions
- Q1. Simple Data structure questions.
- Q2. Binary tree balanced or not.
- Ans.
A binary tree is balanced if the height of its left and right subtrees differ by at most 1.
A balanced binary tree has a smoother and faster search time than an unbalanced one.
Balancing a binary tree can be done using various algorithms like AVL tree, Red-Black tree, etc.
An example of a balanced binary tree is the AVL tree, where the heights of the left and right subtrees differ by at most 1.
- Q3. MVC pattern
- Q4. Java questions
Skills evaluated in this interview
I applied via Naukri.com and was interviewed before Sep 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Mostly Data structures and problem solving
Interview Preparation Tips
I was interviewed before Feb 2021.
(4 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
This round had 1 question related to DSA and then the majority of the questions were revolving around Java.
- Q1.
Convert a Binary Tree to its Sum Tree
Given a binary tree of integers, convert it to a sum tree where each node is replaced by the sum of the values of its left and right subtrees. Set leaf nodes to zero.
... - Q2. What is the garbage collector in Java?
- Q3. Why is Java considered platform independent, while the Java Virtual Machine (JVM) is platform dependent?
- Q4. What do you understand by marker interfaces in Java?
(5 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
In this round, I had 2 questions of DSA where I had to first explain my approach with proper compleixt analysis and then write the pseudo code for both of them. After that, I was asked some questions from Java and MVC architecture.
- Q1.
LRU Cache Design Question
Design a data structure for a Least Recently Used (LRU) cache that supports the following operations:
1.
get(key)- Return the value of the key if it exists in the cache; otherw... - Q2.
Intersection of Linked List Problem
You are provided with two singly linked lists containing integers, where both lists converge at some node belonging to a third linked list.
Your task is to determine t...
- Q3. Can you explain in brief the role of different MVC components?
- Q4. How is routing handled in the MVC pattern?
- Q5. Is it possible to import the same class or package twice in Java, and what happens during runtime?
(3 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
This round was inclined towards some Low Level Design Principles and some concepts from MVC.
- Q1. Design a Railway Reservation System.
- Q2. What is Spring MVC?
- Q3. Can you define the concept of Filters in MVC?
Interview Preparation Tips
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Skills evaluated in this interview
Senior Application Developer Jobs at Oracle
Top trending discussions
Interview questions from similar companies
(1 Question)
- Q1. Difference between class & interface
- Ans.
Classes can have both implementation and data members, while interfaces can only have method signatures.
Classes can have constructors, interfaces cannot.
Classes can have access modifiers for their members, interfaces cannot.
A class can implement multiple interfaces, but can only inherit from one class.
Interfaces are used to achieve abstraction and multiple inheritance in Java.
Example: Class 'Animal' can have methods li...
(1 Question)
- Q1. About current project
Interview Preparation Tips
Applications Engineer Interview Questions & Answers
Dassault Systemes
Anonymous
posted on 20 Jun 2024
(2 Questions)
- Q1. Explain react dom in details
- Ans.
React DOM is a package that provides methods for updating the DOM in response to React components.
React DOM is used to render React components to the DOM.
It provides methods like ReactDOM.render() to render components.
React DOM efficiently updates the DOM when the state of a component changes.
It handles events and updates the DOM accordingly.
React DOM is separate from React itself, allowing for flexibility in rendering
- Q2. Explain MVC in rails
- Ans.
MVC in Rails is a software design pattern that separates the application into three main components: Model, View, and Controller.
Model: Represents the data and business logic of the application.
View: Represents the user interface of the application.
Controller: Acts as an intermediary between the Model and View, handling user input and updating the Model accordingly.
Example: In a Rails application, a User model would ha...
Interview Preparation Tips
Skills evaluated in this interview
Associate Application Developer Interview Questions & Answers
Automatic Data Processing (ADP)
Anonymous
posted on 13 May 2024
Selected
I applied via Referral and was interviewed in Apr 2024. There was 1 interview round.
Had a basic coding test with easy-medium questions along with some HR questions
(1 Question)
- Q1. Stacks queues data structures
Application Support Engineer Interview Questions & Answers
Salesforce
Anonymous
posted on 29 Dec 2022
Selected
I applied via Naukri.com and was interviewed in Nov 2022. There were 2 interview rounds.
(2 Questions)
- Q1. Project explanation,security concept question,integration basics,what are debug logs
- Q2. Lwc lifecycle hooks and one trigger to code
Interview Preparation Tips
- Java
- Lwc
GOURAV ANAND
I applied via Approached by Company and was interviewed in Aug 2021. There were 3 interview rounds.
DS & Algo based programming
Salesforce Apex coding also making use Queue and Recursive algo.
(1 Question)
- Q1. System Design and Scalable approach
Interview Preparation Tips
- Data Structures
- Algorithms
- Salesforce Apex
Applications Engineer Interview Questions & Answers
Dassault Systemes
Anonymous
posted on 20 Jun 2024
Write code for micro service
(1 Question)
- Q1. Explain singleton
- Ans.
Singleton is a design pattern that restricts the instantiation of a class to one object.
Singleton pattern ensures that a class has only one instance and provides a global point of access to it.
Commonly used in scenarios where only a single instance of a class is needed, such as database connections or configuration settings.
Implementation can involve a private constructor, a static method to access the instance, and a ...
Skills evaluated in this interview
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Oracle Senior Application Developer Reviews and Ratings
based on 40 reviews
Rating in categories
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Senior Software Engineer
2.4k
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|  ₹10.2 L/yr - ₹40 L/yr |
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Senior Consultant
2.1k
salaries
| ₹9 L/yr - ₹24.9 L/yr |
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Principal Consultant
2k
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| ₹10.9 L/yr - ₹36 L/yr |
|
Senior Member of Technical Staff
1.8k
salaries
| ₹12 L/yr - ₹45 L/yr |
|
Senior Application Engineer
1.4k
salaries
| ₹9.4 L/yr - ₹32 L/yr |
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