Olive Crypto Systems Blockchain Developer Interview Questions and Answers

Q1. Run time polymorphism code
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Q2. Linked list code
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Q3. Deep copy shallow copy differences
Ans. 
Deep copy creates a new copy of an object with its own unique memory space, while shallow copy creates a new object that references the same memory locations as the original object.
• Deep copy duplicates all nested objects, while shallow copy only duplicates the references to nested objects.

• Deep copy ensures that changes to the copied object do not affect the original object, while shallow copy may lead to unintended sid...read more
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Q1. More deep questions about polymorphism code
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Q2. Code for interchange of strings without strcpy
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Use a loop to swap characters of two strings without using strcpy function.
• Create two arrays of characters to store the strings

• Use a loop to iterate through each character of the strings and swap them

• Ensure to handle cases where strings have different lengths
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It was an amazing interview.

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Q1. Explain architecture of your project
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Q2. Some questions on Java, Spring Boot and sql
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Q1. Project flow and some behavioural questions
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Q2. Project contribution of yours
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Developed a web application for tracking employee attendance and performance
• Implemented user authentication and authorization using Spring Security

• Utilized Hibernate for database interaction and data persistence

• Designed and developed RESTful APIs for frontend integration

• Used AngularJS for frontend development to create interactive user interfaces
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Q1. Basic formalities before offer release
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Q1. Simple questions asked related to web forms
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Q1. When you want delete account accosiated with contact. The account should not get deleted.
Ans. 
To delete an account associated with a contact without deleting the account itself.
• Remove the contact's association with the account before deleting the contact.

• Check for any other dependencies before deleting the contact.

• Consider creating a custom field to track the association between the contact and account.
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Q2. Do have experience in flows, Explain the flows
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Flows are declarative automation tools in Salesforce used to automate business processes by collecting data and performing operations.
• Flows are created using a visual designer in Salesforce.

• They can automate complex business processes without writing code.

• Flows can collect data from users, interact with Salesforce, and make decisions based on user input or data.

• They can be triggered by various events like record change...read more
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Q1. When rating is hot update description
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When a rating is hot, update the description accordingly.
• Monitor user feedback and ratings regularly

• Update the description based on the latest ratings and reviews

• Consider adding specific details or addressing common concerns mentioned in the feedback
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Q2. Tell me about yourself
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I am a Salesforce Developer with 5 years of experience in designing and implementing custom solutions for clients.
• 5 years of experience in Salesforce development

• Strong expertise in designing and implementing custom solutions

• Proficient in Apex, Visualforce, and Lightning components

• Certified Salesforce Developer

• Experience working with clients to understand their requirements and deliver solutions
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LeetCode , hard questions on dynamic programming, graphs, and more.

DSA, Cn, os, DBMS, ML

Q1. Is relocation a possibility for this position?
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Q2. Senior role is there
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Q1. Every single oops concepts
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Q2. Every sql questions possiible
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Q1. I attended only technical not yet results announced
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Q2. I attended only technical not yet result announced
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SQL , CODING QUESTION PYTHON

Q1. BASIC SQL QUESTIOS
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Q2. OOPS 4 PILLARS INHERITANCE ETC
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Q1. TELL ME ABOUT YOURSELF
Ans. 
I am a software developer with 5 years of experience in Java, Python, and SQL.
• 5 years of experience in Java, Python, and SQL

• Strong problem-solving skills

• Experience working in Agile development environment

• Familiarity with version control systems like Git

• Passionate about learning new technologies
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Q2. WHAT DO YOU KNOW ABOUT YOUR COMPANY
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Company is a leading software development firm specializing in creating innovative solutions for various industries.
• Company has a strong reputation for delivering high-quality software products

• Specializes in creating custom solutions for clients in different industries

• Known for innovative and cutting-edge technology solutions

• Has a diverse portfolio of successful projects

• Company values teamwork and collaboration in thei
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