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Oracle Full Stack Software Developer Interview Questions, Process, and Tips

Updated 6 Nov 2024

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

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I applied via Approached by Company and was interviewed in Oct 2024. There were 2 interview rounds.

Round 1 - One-on-one 

(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

  • Answered by AI
Round 2 - One-on-one 

(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 }

  • Answered by AI
  • 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...

  • Answered by AI
  • 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.

  • Answered by AI
  • 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

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Oracle Full Stack Software Developer interview:
  • Java
  • Spring
  • DSA
  • REST API
  • SOAP

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Sep 2024. There was 1 interview round.

Round 1 - Coding Test 

Asked me to write code on paper for count inversions

Full Stack Software Developer Interview Questions Asked at Other Companies

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Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. What is oops
  • Ans. 

    OOPs stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects.

    • OOPs is based on the four main concepts: Encapsulation, Inheritance, Polymorphism, and Abstraction.

    • Encapsulation is the process of hiding the implementation details from the user.

    • Inheritance is the process of creating a new class from an existing class.

    • Polymorphism is the ability of an object to take on many forms.

    • ...

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Jan 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all Resume tips
Round 2 - Aptitude Test 

Basic questions number, logical reasoning, apptitude, values, circle etc

Round 3 - Technical 

(4 Questions)

  • Q1. Introduction to your self, which language do preference, Java, oops concepts
  • Q2. Opp concepts , Java, HTML, CSS, javascript, PHP, python, SQL language questions basic knowledge
  • Q3. Do you have completed any project
  • Q4. What is method overloading
  • Ans. 

    Method overloading is when multiple methods in a class have the same name but different parameters.

    • Allows multiple methods with the same name but different parameters to be defined in a class

    • The compiler determines which method to call based on the number and type of arguments passed

    • Example: having multiple 'calculate' methods in a class with different parameter types like int, double, etc.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Nice
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

Most questions are from reasoning, English and math

Round 2 - Coding Test 

Mostly array and string this two topic is asked

Round 3 - HR 

(1 Question)

  • Q1. Introduction,where do you see urself in next five year
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. What is functional interface
  • Ans. 

    A functional interface is an interface that contains only one abstract method.

    • Functional interfaces can have multiple default or static methods, but only one abstract method.

    • Functional interfaces are used in lambda expressions and method references.

    • Examples of functional interfaces in Java include Runnable, Callable, and Comparator.

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Fullstack = node , express , react js

Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed in Apr 2024. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. How do you do version upgrades
  • Ans. 

    I use version control systems like Git to manage code changes and upgrades.

    • I create a new branch for the upgrade to isolate changes from the main codebase.

    • I test the upgrade in the new branch to ensure compatibility and functionality.

    • I merge the upgraded code back into the main branch once testing is successful.

    • I document the changes made during the upgrade process for future reference.

  • Answered by AI
Round 2 - Behavioral 

(1 Question)

  • Q1. Can we make applications using on C# code
  • Ans. 

    Yes, applications can be made using C# code.

    • C# is a versatile programming language commonly used for developing applications.

    • C# can be used to create web applications, desktop applications, mobile apps, and more.

    • Popular frameworks like .NET and Xamarin support C# for application development.

  • Answered by AI

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
Not Selected

I applied via Company Website

Round 1 - Coding Test 

It was javascript and reactjs. multiple choices and coding test

Round 2 - Technical 

(1 Question)

  • Q1. Mostly advanced javascript questions

I applied via Campus Placement and was interviewed in Aug 2021. There were 3 interview rounds.

Round 1 - Aptitude Test 

1st round was mixture of aptitude and some psuedo code and the time given was 90 mins for 90 questions.

After clearing the cuttoff there will be 2 coding question one for easy level second will be medium level.

Round 2 - Communication round 

(1 Question)

  • Q1. Ai based english vocabolary and listening test
Round 3 - One-on-one 

(5 Questions)

  • Q1. This round was the easiest of all just basic questions
  • Q2. Oops related question
  • Q3. Project discussion based questions.
  • Q4. Do you know something about modern technologies.
  • Ans. 

    Yes, modern technologies are constantly evolving and I keep myself updated with the latest trends.

    • I am familiar with cloud computing platforms like AWS, Azure, and Google Cloud

    • I have experience with containerization using Docker and Kubernetes

    • I am proficient in programming languages like Python, JavaScript, and Java

    • I have worked with modern front-end frameworks like React and Angular

    • I am familiar with DevOps practices ...

  • Answered by AI
  • Q5. Have any questions for me.

Interview Preparation Tips

Interview preparation tips for other job seekers - Result was selected for FSE

Just clear the first two round rest will be easy .
Contribute & help others!
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Oracle Interview FAQs

How many rounds are there in Oracle Full Stack Software Developer interview?
Oracle interview process usually has 1-2 rounds. The most common rounds in the Oracle interview process are One-on-one Round and Coding Test.
How to prepare for Oracle Full Stack Software Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Oracle. The most common topics and skills that interviewers at Oracle expect are Java, Microservices, Angular, Design Patterns and Front End.
What are the top questions asked in Oracle Full Stack Software Developer interview?

Some of the top questions asked at the Oracle Full Stack Software Developer interview -

  1. Given a directory name, write a program to return a list of all .tst files pres...read more
  2. Singleton design pattern. Explain and implement (thread sa...read more
  3. Use case of abstract class and interfa...read more

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