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Oracle
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I applied via Company Website and was interviewed in Oct 2023. There was 1 interview round.
I applied via LinkedIn and was interviewed in Aug 2022. There were 4 interview rounds.
CLR is the runtime environment for .NET applications that manages memory, security, and execution of code.
CLR stands for Common Language Runtime
It compiles code into an intermediate language (IL) that can run on any platform with CLR installed
CLR manages memory through garbage collection
It provides security through code access security (CAS)
CLR also includes just-in-time (JIT) compilation for improved performance
SOLID is a set of principles for object-oriented programming that aims to make software more maintainable, scalable, and robust.
S - Single Responsibility Principle: A class should have only one reason to change.
O - Open/Closed Principle: Software entities should be open for extension but closed for modification.
L - Liskov Substitution Principle: Subtypes should be substitutable for their base types.
I - Interface Segreg...
Design pattern is a reusable solution to a commonly occurring problem in software design.
Design patterns provide a common language for developers to communicate solutions.
They help in creating flexible, maintainable, and scalable software.
Examples include Singleton, Factory, Observer, and MVC pattern.
Design patterns are categorized into three types: Creational, Structural, and Behavioral.
Program to check if a given string is a palindrome
Convert the string to lowercase to ignore case sensitivity
Remove all non-alphanumeric characters from the string
Reverse the string and compare it with the original string
If they are the same, then the string is a palindrome
Function overloading is having multiple functions with the same name but different parameters. Function overriding is having a function in a subclass with the same name and parameters as a function in the superclass.
Function overloading is used to provide different ways to call a function with different parameters.
Function overriding is used to provide a specific implementation of a function in a subclass that is diffe...
Ref and out are both used to pass arguments by reference in C#. Ref is bidirectional while out is unidirectional.
Ref and out are used to pass arguments by reference instead of by value
Ref is used for both input and output parameters while out is only used for output parameters
Ref requires the variable to be initialized before passing while out does not
Example: void MyMethod(ref int x) { x = x + 1; }
Example: void MyMeth
Jagged array is an array of arrays where each array can have different lengths.
Each array can have different number of elements
Can be used to represent tables with varying number of columns
Example: string[][] jaggedArray = new string[3][];
IIS is a web server that handles HTTP requests and responses.
IIS stands for Internet Information Services.
It is a component of Windows Server.
It listens for incoming HTTP requests on a specified port.
It processes the request and sends back a response.
It can host multiple websites on a single server.
It supports various protocols like HTTP, HTTPS, FTP, SMTP, etc.
It can be configured using the IIS Manager tool.
It can also
I applied via Naukri.com and was interviewed before Mar 2022. There were 6 interview rounds.
What people are saying about Oracle
I applied via Walk-in and was interviewed before Feb 2021. There were 2 interview rounds.
Be good on basics of coding
Oracle interview questions for designations
I appeared for an interview in Oct 2016.
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
Inheritance allows for code reuse and promotes modularity.
The class that is being inherited from is called the superclass or base class.
The class that inherits from the superclass is called the subclass or derived class.
The subclass can access the public and protected members of the superclass.
Inhe...
Regular expressions in PHP are powerful tools for pattern matching and manipulating strings.
Regular expressions are defined using the preg_match() function in PHP.
They are used to search, replace, and validate strings based on specific patterns.
Regex patterns consist of a combination of characters and special symbols.
Modifiers can be added to the pattern to control the matching behavior.
Common regex functions in PHP in...
Polymorphism is the ability of an object to take on many forms. It allows objects of different classes to be treated as the same type.
Polymorphism allows a single interface to be used for different types of objects.
It enables code reusability and flexibility in object-oriented programming.
For example, a parent class 'Animal' can have multiple child classes like 'Dog', 'Cat', and 'Bird'. They can all be treated as 'Anim...
I appeared for an interview in Dec 2016.
Sort the individual digits of a 10 digit number.
Convert the number to a string to access individual digits
Use a sorting algorithm to sort the digits
Convert the sorted digits back to a number
The code for finding the Lowest Common Ancestor (LCA) in a Binary Search Tree (BST).
Start from the root node and compare it with the given two nodes.
If both nodes are smaller than the current node, move to the left subtree.
If both nodes are greater than the current node, move to the right subtree.
If one node is smaller and the other is greater, then the current node is the LCA.
Continue this process until the LCA is fou
A DBMS for managing college faculty, professors, courses, and students.
The DBMS should have tables for faculty, professors, courses, and students.
Each table should have appropriate attributes to store relevant information.
Relationships can be established between tables using foreign keys.
Queries can be used to retrieve information about faculty, professors, courses, and students.
The DBMS can be used to track enrollment
I was actively involved in coding competitions, hackathons, and programming clubs during college.
Participated in coding competitions such as ACM ICPC and Codeforces
Attended hackathons to work on real-world projects and improve problem-solving skills
Joined programming clubs to collaborate with peers and learn new technologies
Yes, I believe in seeking help when stuck in a problem as it leads to faster resolution and learning.
I believe in collaborating with team members to brainstorm solutions
I am not afraid to ask for help from more experienced developers
I utilize online resources like Stack Overflow or documentation when needed
Teamwork is collaborating with others towards a common goal, utilizing each member's strengths and skills.
Collaborating with others towards a common goal
Utilizing each member's strengths and skills
Communicating effectively and openly
Respecting and valuing diverse perspectives
Sharing responsibilities and supporting each other
Celebrating successes as a team
When faced with an unsolvable problem, I break it down, research, seek help, experiment, and iterate until a solution is found.
Break down the problem into smaller, manageable parts
Research and gather information related to the problem
Seek help from colleagues, online communities, or experts
Experiment with different approaches or solutions
Iterate and refine the solution based on feedback and results
In 5 years, I see myself as a senior software developer leading a team of developers on innovative projects.
Leading a team of developers on innovative projects
Senior software developer role
Continuing to learn and grow in the field
I applied via Referral
I appeared for an interview before Jun 2016.
I am a passionate software developer with experience in Java, Python, and web development.
Experienced in Java, Python, and web development technologies
Strong problem-solving skills
Excellent team player with good communication skills
SAP is a leading software provider with a wide range of products and solutions for businesses.
SAP offers a comprehensive suite of enterprise software solutions for various industries.
Their products are known for their scalability, reliability, and integration capabilities.
SAP has a strong global presence and a large customer base, including many Fortune 500 companies.
Their software helps businesses streamline processes...
SAP is a multinational software corporation that provides enterprise software solutions.
SAP develops and sells software for managing business operations and customer relations.
Their software helps organizations streamline processes, improve efficiency, and make data-driven decisions.
SAP offers a wide range of products, including ERP (Enterprise Resource Planning), CRM (Customer Relationship Management), and SCM (Supply...
I have worked on various projects including a web application for inventory management and a mobile app for task tracking.
Developed a web application using React for inventory management
Created a mobile app using Flutter for task tracking
Implemented RESTful APIs for communication between frontend and backend
Utilized databases like MySQL and MongoDB for data storage
I appeared for an interview before Dec 2020.
Round duration - 60 minutes
Round difficulty - Easy
This was a 60 minute technical round involving questions based on data structures, OOPS concepts, DBMS and projects that I had mentioned in my resume.
Calculate the Nth term in the Fibonacci sequence, where the sequence is defined as follows: F(n) = F(n-1) + F(n-2)
, with initial conditions F(1) = F(2) = 1
.
Calculate the Nth Fibonacci number efficiently using recursion or dynamic programming.
Implement a recursive function to calculate the Nth Fibonacci number.
Use memoization to store previously calculated Fibonacci numbers for efficiency.
Consider using dynamic programming to optimize the solution.
Handle edge cases such as N = 1 or N = 2 separately.
Ensure the solution works efficiently for large values of N (up to 10000).
Operator overloading in OOP allows custom behavior for operators like +, -, *, etc.
Operator overloading is a feature in OOP that allows defining custom behavior for operators
Example: Overloading the + operator to concatenate strings or add two numbers
Example: Overloading the * operator to perform matrix multiplication
Function overloading is when multiple functions have the same name but different parameters or return types.
Allows multiple functions with the same name but different parameters or return types
Helps improve code readability and maintainability
Example: int add(int a, int b) and float add(float a, float b)
C is a procedural programming language while C++ is a multi-paradigm programming language with object-oriented features.
C is a procedural programming language while C++ supports both procedural and object-oriented programming.
C does not support classes and objects while C++ does.
C does not have built-in support for exception handling while C++ does.
C does not have namespaces while C++ does.
C does not have function over
Round duration - 45 minutes
Round difficulty - Easy
HR round that lasted for 45 minutes. Did brainstorming on puzzles and HR asked questions to know more about me.
Tips : During HR, think before you speak, they can catch any word that you speak. Prepare well for aptitude, as they shortlist less people after the test. Ask good questions during the end of the interviews. It might impress them. So prepare for it before going for the interview. Lastly, don’t be nervous, HRs are only trying to make you nervous during the interview as a part of the stress test.
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.
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