AVS Constructions Interview Questions and Answers

Had assignment for ror and react basic crud

Q1. Elevator problem in java
Ans. 
Elevator problem in Java
• Create an Elevator class with methods for moving up and down

• Use a Queue to keep track of the floors that need to be visited

• Implement a scheduling algorithm to determine the order of floor visits
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Q2. Horse race puzzle solution
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3 Coding question medium level

Q1. Asked 3 coding queston and some basis CS questions
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45 mins, Basic aptitude , comprehension and decision making questions

Q1. Questions related to databases, DSA - medium, SQL Queries
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You can take my test to check my IQ level and problem solving as in aptitude keep mathmatics problems.

In c,c++ and Java questions and you ask me question from data base query like SQL query.

Q1. 1.In HR round you can check out my all other things carrer related, job perspective also. 2.if they want to check my apptitute ,job related questions in any way so they ask me.
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Q2. For job related questions .
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Q3. Salary related or other.
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It was online 60min test.

It was offline 30 min test.

Q1. Oops,dbms,css,html,dsa,java.
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Q2. It was very friendly .
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Basic java questions along with aptitude questions.

Q1. Basic oops concept, java functionalities, spring framework.
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Q1. Basic Hr questions, when you can join, expected ctc...
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Q1. What are the 4 principles of oops?
Ans. 
The 4 principles of OOP are Inheritance, Encapsulation, Abstraction, and Polymorphism.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation restricts access to certain components within a class, protecting the data.

• Abstraction hides complex implementation details and only shows the necessary features.

• Polymorphism allows objects to be treated as instances of their parent class.
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Q2. What is the difference between string buffer and string builder?
Ans. 
String buffer is synchronized and thread-safe, while string builder is not synchronized and faster.
• String buffer is synchronized, making it thread-safe for use in multi-threaded environments.

• String builder is not synchronized, providing better performance in single-threaded applications.

• String builder is faster than string buffer due to lack of synchronization overhead.

• Example: StringBuffer sb = new StringBuffer(); Str
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Q3. Why strings are immutable?
Ans. 
Strings are immutable in order to ensure data integrity and security.
• Immutable strings prevent accidental data modification, ensuring data integrity.

• Immutable strings enhance security by preventing unauthorized access or tampering.

• Immutable strings allow for more efficient memory management and optimization.

• Example: 'Hello' cannot be changed to 'Hella' directly, a new string must be created.
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Q4. What are the different types of exception in java?
Ans. 
There are two types of exceptions in Java: checked exceptions and unchecked exceptions.
• Checked exceptions are checked at compile time and must be handled using try-catch or throws keyword.

• Unchecked exceptions are not checked at compile time and include RuntimeException and its subclasses.

• Examples of checked exceptions include IOException, SQLException, and ClassNotFoundException.

• Examples of unchecked exceptions include...read more
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Q5. Explain linear search algorithm.
Ans. 
Linear search is a simple searching algorithm that sequentially checks each element in a list until a match is found.
• Iterate through each element in the list

• Compare the current element with the target value

• Return the index if a match is found, otherwise return -1
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Q6. Difference between JDK jvm and jre
Ans. 
JDK includes JRE and development tools, while JRE includes only the Java Runtime Environment.
• JDK stands for Java Development Kit, which includes JRE and development tools like compilers and debuggers.

• JRE stands for Java Runtime Environment, which includes JVM and libraries necessary to run Java applications.

• JVM stands for Java Virtual Machine, which is responsible for executing Java bytecode.

• JDK is used for developing ...read more
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Q1. Tell me about yourself
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Q1. 1 Project Explanation 2 SDLC & STLC. 3 Differentiate Smoke vs Sanity 4 What is Regression testing? 5 Bug life cycle. 6 Scenarios on real time example. 7 Questions on agile
Ans. 
Interview questions for Software Engineer position
• Project explanation should include details on the project's purpose, scope, and technologies used

• SDLC (Software Development Life Cycle) and STLC (Software Testing Life Cycle) are methodologies used in software development and testing respectively

• Smoke testing is a type of testing that checks if the basic functionalities of the software are working fine, while Sanity tes...read more
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Q1. All basic HR questions and salary discussion.
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