Oracle Software Developer Interview Questions, Process, and Tips

Q1. C# core questions
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Q1. What is auto event wireup
Ans. 
Auto event wireup is a feature in ASP.NET that automatically connects events to event handlers based on naming conventions.
• Auto event wireup simplifies event handling by automatically connecting events to event handlers without needing to manually wire them up in code.

• In ASP.NET Web Forms, auto event wireup is enabled by default, but can be disabled by setting the AutoEventWireup attribute to false in the Page directiv...read more
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Q1. Dense rank in sql
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Dense rank in SQL is a function that assigns a rank to each row in a result set with no gaps between the ranks.
• Dense rank is used to assign unique ranks to each row in a result set, with no gaps between the ranks.

• It is similar to the RANK function, but does not leave gaps in the ranking sequence.

• For example, if two rows have the same value and are ranked 1 and 2, the next row will be ranked 3, not 2.
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Q1. Tell me about yourself
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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 and ability to work in a team

• Completed multiple projects including a web-based inventory management system
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Q2. Where you see yourself
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I see myself continuing to grow and learn in the software development field, taking on new challenges and responsibilities.
• Continuing to improve my coding skills through practice and learning new technologies

• Taking on leadership roles in projects and mentoring junior developers

• Exploring different areas of software development such as mobile app development or machine learning

• Working towards becoming a subject matter ex...read more
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Q1. Linux Boot process(a MUST question in all rounds)
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Q2. Linux filesystem, memory&process management
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Q3. Dynamic memory allocation in C
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Dynamic memory allocation in C allows for allocating memory at runtime, enabling flexibility in memory usage.
• Use functions like malloc(), calloc(), and realloc() to allocate memory dynamically.

• Remember to free the allocated memory using free() to avoid memory leaks.

• Dynamic memory allocation is commonly used for creating arrays or structures of unknown size.

• Example: int *ptr = (int*)malloc(5 * sizeof(int));
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Q4. Linux bash script to rename files
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Use 'mv' command in a bash script to rename files in Linux.
• Use 'mv' command followed by the current file name and the new file name to rename files.

• You can use wildcards like '*' to rename multiple files at once.

• Make sure to test the script on a few files before running it on all files.
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Q5. Linux system calls with an example
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Linux system calls are functions provided by the kernel for user-space programs to interact with the operating system.
• System calls are used to request services from the kernel, such as creating processes, opening files, and networking.

• Examples of system calls include open(), read(), write(), fork(), exec(), and socket().

• System calls are invoked using a software interrupt or trap instruction, switching the CPU from user...read more
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Q6. More miscellaneous questions in Linux and C
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Q1. Miscellaneous questions in Linux and Python
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Q1. Miscellaneous questions more Deeper into Linux and C
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Q1. Tell me about yourself
Ans. 
I am a passionate software developer with experience in building web applications using various technologies.
• Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

• Proficient in backend development with Node.js and databases like MongoDB and MySQL

• Familiar with version control systems like Git and project management tools like Jira
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Q2. Tell me about your workex
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I have 5 years of experience in software development, specializing in web applications using Java and JavaScript.
• Developed web applications using Java Spring framework

• Implemented front-end functionality using JavaScript and Angular

• Worked on database design and optimization with MySQL

• Collaborated with cross-functional teams to deliver projects on time

• Participated in code reviews and testing to ensure quality
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Q1. How would you solve this bug
Ans. 
To solve the bug, I would first identify the root cause by analyzing the code, testing different scenarios, and debugging.
• Review the code where the bug is occurring to understand the logic and flow

• Use debugging tools to step through the code and track the variables

• Test different scenarios to reproduce the bug and identify patterns

• Check for any recent changes or updates that may have introduced the bug
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Q2. Code this question for me
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Q1. Tell me about yourself
Ans. 
I am a passionate software developer with experience in building web applications using various technologies.
• Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

• Proficient in backend development with Node.js and databases like MongoDB and MySQL

• Familiar with version control systems like Git and project management tools like Jira
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Q2. What are your strengths?
Ans. 
My strengths include problem-solving skills, attention to detail, and strong programming abilities.
• Strong problem-solving skills - able to analyze complex issues and find effective solutions

• Attention to detail - meticulous in writing clean and efficient code

• Strong programming abilities - proficient in multiple languages such as Java, Python, and C++
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Aptitude Questiosns
Was pretty cool

Develop a program to calculate the revenue of the firm within given paramters

Easy apti questions like %age and all