Cloudstrats Technologies Software Developer Interview Questions and Answers

Q1. Oops concept related work
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Q2. Technology used in prj
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Various technologies used in the project include Java, Spring Boot, Angular, MySQL, and Docker.
• Java

• Spring Boot

• Angular

• MySQL

• Docker
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Q1. String litteral,
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Q2. Collection hierarchy
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Q1. It consists of MCQ question related to oops,SQL
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General topics were given

Q1. The HR was friendly and I was asked to write code for sorting , then about my project
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Q1. Oops related questions
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Q2. How you can handle exceptions in case of inheritance
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Exceptions in inheritance can be handled by using try-catch blocks in the derived class.
• Use try-catch blocks in the derived class to catch exceptions thrown by the base class methods.

• Handle exceptions specific to the derived class in the catch block.

• Consider using super() to call the base class constructor within the try block.

• Avoid catching general exceptions unless necessary to maintain code clarity.

• Ensure proper exc...read more
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Q3. Collections questions
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Q4. Live coding based on the answers you give
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Q5. Your current project and how you handled difficulties in that
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Q1. Difference between comparator and comparison
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Comparator is an interface used to compare objects, while comparison is the act of comparing two or more objects.
• Comparator is an interface in Java used to define custom sorting logic for objects.

• Comparison is the process of evaluating the similarities and differences between two or more objects.

• Comparator is used in sorting algorithms like Collections.sort() to define the sorting order.

• Comparison is a general term use...read more
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Q2. Implement run time polymorphism
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Run time polymorphism is achieved in object-oriented programming by using virtual functions and pointers.
• Use base class with virtual functions

• Create derived classes that override the virtual functions

• Use pointers of base class type to store objects of derived classes

• Call the virtual functions through the base class pointers to achieve polymorphism
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Q3. What is stack with an example
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A stack is a data structure that follows the Last In First Out (LIFO) principle.
• Elements are added and removed from the top of the stack.

• Common operations include push (add element) and pop (remove element).

• Example: Undo functionality in a text editor.
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Prepare the basic programming languages like Java,SQL and pseudocodes,computer fundamentals,communication.All the questions will be MCQ type of queries.

Q1. Programming codes and core Java ,SQL related questions.If your resume has some other languages then prepare for it.Always be ready with your resume details and the subject.
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Q2. 1.What is constraints and it's types? 2.what is meant by wrapper class? 3.What is meant by string buffer? 4.Write a program to print number of count of characters in a string and remove duplicates by givin...read more
Ans. 
This interview includes questions related to constraints, wrapper class, string buffer, and programming.
• Constraints are rules that limit the values or types of data that can be entered into a field or table. There are two types of constraints: column-level and table-level constraints.

• Wrapper classes are classes that encapsulate primitive data types and provide methods to manipulate them. For example, Integer is a wrapp...read more
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Q1. 1.Self introduction 2.why should I hire you? 3.Are u want to relocate? 4.what is the reason to join our company?
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