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Oracle Full Stack Software Developer Interview Questions, Process, and Tips
Top Oracle Full Stack Software Developer Interview Questions and Answers
- Q1. Given a directory name, write a program to return a list of all .tst files present in the directory and its sub directories.
- Q2. Singleton design pattern. Explain and implement (thread safe)
- Q3. Use case of abstract class and interfaces
Oracle Full Stack Software Developer Interview Experiences
2 interviews found
I applied via Approached by Company and was interviewed in Oct 2024. There were 2 interview rounds.
(3 Questions)
- Q1. Java basic questions.
- Q2. Rest basics methods like get, post, put, delete etc
- Q3. Given a directory name, write a program to return a list of all .tst files present in the directory and its sub directories.
- Ans.
Program to return list of .tst files in given directory and subdirectories
Use recursion to traverse through all directories and subdirectories
Check if each file has .tst extension and add to list if true
Use built-in functions like os.listdir() and os.path.splitext() in Python
(4 Questions)
- Q1. Difference between == and equals
- Ans.
The '==' operator is used for comparing values of primitive data types, while the 'equals' method is used for comparing objects in Java.
Use '==' to compare primitive data types like int, char, boolean, etc.
Use 'equals' method to compare objects like Strings, Lists, etc.
Example: int a = 5; int b = 5; if(a == b) { // true }
Example: String str1 = 'hello'; String str2 = 'hello'; if(str1.equals(str2)) { // true }
- Q2. Use case of abstract class and interfaces
- Ans.
Abstract classes are used to provide a common base for multiple classes, while interfaces define a contract for classes to implement.
Abstract classes can contain both abstract and concrete methods, while interfaces can only have abstract methods.
Abstract classes can have constructors, while interfaces cannot.
Interfaces allow for multiple inheritance, while classes can only inherit from one abstract class.
Abstract class...
- Q3. Singleton design pattern. Explain and implement (thread safe)
- Ans.
Singleton design pattern ensures a class has only one instance and provides a global point of access to it.
Ensure a private static instance variable in the class.
Provide a public static method to access the instance, creating it if necessary.
Use synchronized keyword or double-checked locking to make it thread-safe.
- Q4. Merge sort. Explain and implement.
- Ans.
Merge sort is a divide and conquer algorithm that divides the input array into two halves, sorts each half, and then merges the sorted halves.
Divide the array into two halves
Recursively sort each half
Merge the sorted halves back together
Interview Preparation Tips
- Java
- Spring
- DSA
- REST API
- SOAP
Skills evaluated in this interview
Selected
I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.
Asked me to write code on paper for count inversions
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Full Stack Software Developer Interview Questions & Answers
Amdocs
Prajakta Bagade
posted on 22 Oct 2024
I applied via Company Website and was interviewed in Apr 2024. There was 1 interview round.
(1 Question)
- Q1. Questions related to 3GPP charging systems and protocols
Selected
I applied via Approached by Company and was interviewed in Aug 2023. There were 4 interview rounds.
So basically the questions were from strings, arrays, bitwise operators and some mathematical logic based questions. There were 10 questions and they will provide you a laptop and you have to complete all of them in 3 hours (java, c++)
Just be prepared on the above mentioned topics the questions were of easy level if your concept is clear you can crack it easily then there will one more round there they will ask theoretical questions once these both technical rounds are clear you're all set to go for HR round. So this is for 1-2yrs exp guys for freshers they also have to go through aptitude round and question pattern is similar
(3 Questions)
- Q1. Basic oops concepts some tricky ques
- Q2. Questions from collection framework
- Q3. Multithreading basic questions
(1 Question)
- Q1. Basic hr questions
(2 Questions)
- Q1. Background about me
- Q2. 2 DSA questions
Full Stack Software Developer Interview Questions & Answers
Carelon Global Solutions
Anonymous
posted on 7 Dec 2022
Selected
I applied via Naukri.com and was interviewed in Nov 2022. There were 2 interview rounds.
(2 Questions)
- Q1. Explain MVC architecture flow
- Ans.
MVC is a software architecture pattern that separates an application into three interconnected components: Model, View, and Controller.
Model represents the data and business logic of the application
View is responsible for rendering the user interface
Controller handles user input and updates the model and view accordingly
MVC promotes separation of concerns and modularity
MVC is widely used in web development frameworks l
- Q2. Explain MVVM architecture flow and reason for its use
- Ans.
MVVM is a software architecture pattern that separates the user interface from the business logic.
MVVM stands for Model-View-ViewModel
Model represents the data and business logic
View represents the user interface
ViewModel acts as a mediator between the View and Model
ViewModel exposes data and commands to the View
MVVM is used to improve code maintainability, testability, and separation of concerns
Interview Preparation Tips
Skills evaluated in this interview
Full Stack Software Developer Interview Questions & Answers
Automatic Data Processing (ADP)
Anonymous
posted on 18 Sep 2023
Selected
I applied via Campus Placement and was interviewed before Sep 2022. There were 3 interview rounds.
Normal Aptitude questions, contains some find the output questions based on C programming. DBMS questions also there.
(2 Questions)
- Q1. Binary Search, C programming Return statement.
- Q2. About internships.
Interview Preparation Tips
Java Full Stack Developer Interview Questions & Answers
Dassault Systemes
Anonymous
posted on 14 Oct 2023
Java assessment with core java mcq, coding and text answers
(2 Questions)
- Q1. Technical interview on java and resume based questions with some riddles
- Q2. Technical questions
(1 Question)
- Q1. Managerial round
Mern Full Stack Developer Interview Questions & Answers
Oracle Cerner
Anonymous
posted on 18 Oct 2023
Selected
I applied via Naukri.com and was interviewed in Apr 2023. There were 4 interview rounds.
(1 Question)
- Q1. Questions from JavaScript, React and Node. 1st round. 2 coding questions on String and Array. Questions on Past employment experiece.
(2 Questions)
- Q1. Event Loop, SQL queries. 2 coding questions on Array and Strings.
- Q2. JavaScript and Node questions
(1 Question)
- Q1. Why Oracle Cerner etc....
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Referral and was interviewed before Aug 2023. There was 1 interview round.
(3 Questions)
- Q1. Project, Oops Concept, Java , which technology u have used ? Framework
- Q2. Framework, Explain Long Polling ,
- Ans.
Long polling is a web technique where the client sends a request to the server and the server holds the connection open until new data is available.
Long polling is a variation of the traditional polling technique where the client sends a request to the server and the server keeps the connection open until new data is available.
It is often used in web applications to simulate real-time updates without the need for const...
- Q3. GraphQL Vs Rest
- Ans.
GraphQL is a query language for APIs that allows clients to request only the data they need, while REST is an architectural style for designing networked applications.
GraphQL allows clients to request specific data in a single request, reducing over-fetching and under-fetching of data.
REST uses multiple endpoints for different resources, leading to multiple requests for related data.
GraphQL provides a strongly typed sc...
Skills evaluated in this interview
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Oracle Full Stack Software Developer Interview Process
based on 2 interviews
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