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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
Full Stack Software Developer Jobs at Oracle
Interview questions from similar companies
Full Stack Software Developer Interview Questions & Answers
Amazon
Sravan reddy
posted on 11 Oct 2020
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.
...
I applied via Campus Placement and was interviewed in Jan 2023. There were 3 interview rounds.
Basic questions number, logical reasoning, apptitude, values, circle etc
(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.
Interview Preparation Tips
Meraj Khan
Most questions are from reasoning, English and math
Mostly array and string this two topic is asked
(1 Question)
- Q1. Introduction,where do you see urself in next five year
(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.
Full Stack Software Developer Interview Questions & Answers
TCS
Priyanshi Rabadiya
posted on 30 Jan 2025
Fullstack = node , express , react js
Full Stack Software Developer Interview Questions & Answers
Accenture
Anonymous
posted on 5 May 2024
I applied via Referral and was interviewed in Apr 2024. There were 2 interview rounds.
(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.
(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.
Skills evaluated in this interview
I applied via Company Website
It was javascript and reactjs. multiple choices and coding test
(1 Question)
- Q1. Mostly advanced javascript questions
Full Stack Software Developer Interview Questions & Answers
Accenture
Anonymous
posted on 2 Feb 2022
I applied via Campus Placement and was interviewed in Aug 2021. There were 3 interview rounds.
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.
(1 Question)
- Q1. Ai based english vocabolary and listening test
(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 ...
- Q5. Have any questions for me.
Interview Preparation Tips
Just clear the first two round rest will be easy .
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Oracle Full Stack Software Developer Interview Process
based on 2 interviews
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