Revature Associate Interview Questions and Answers

Easy applitute question with 1 coding question at the end

Q1. String builder vs string buffer
Ans. 
String builder is faster but not thread-safe, while string buffer is slower but thread-safe.
• String builder is recommended for single-threaded applications for better performance.

• String buffer is recommended for multi-threaded applications to ensure thread safety.

• Example: StringBuilder sb = new StringBuilder(); StringBuffer sbf = new StringBuffer();
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Q2. Final keyword in oops
Ans. 
The final keyword in OOP is used to restrict the user from changing the value of a variable, overriding a method, or inheriting from a class.
• Final variable: value cannot be changed once assigned

• Final method: cannot be overridden in child classes

• Final class: cannot be inherited by other classes
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Q3. Bsf graph explanation
Ans. 
BSF graph explanation
• BFS (Breadth-First Search) is a graph traversal algorithm that explores all the neighbor nodes at the present depth before moving on to the nodes at the next depth.

• It uses a queue data structure to keep track of the nodes to visit next.

• BFS is often used to find the shortest path in an unweighted graph.

• Example: BFS can be used to find the shortest path in a maze from the starting point to the exit.
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Q1. Tell about your previous company experience ?
Ans. 
I worked as a Process Associate at XYZ Pvt. Ltd.
• Handled customer queries and complaints through email and phone calls

• Maintained accurate records of customer interactions and transactions

• Collaborated with cross-functional teams to resolve customer issues

• Achieved 95% customer satisfaction rating

• Trained new hires on company policies and procedures
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Q2. Technical Questions & some logical math questions were asked.
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Q3. Lot more questions were asked from my Resume ! so make sure you are strong enough in things that you mentioned in your resume.
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Q4. Some sensitive questions were asked like 1. How long will you be able to stay if I select you ? 2. What do you think of your previous company's weakness ?
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Aptitude test on logocal reasoning and maths question

All sql queries and oops concept.

Q1. About yourself and about your views on questions.
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Q2. Oops concept and .net basics
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Q1. Where are you from?Tell me something about your self?
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Q2. Why we hire you? What's your qualifications?
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What is group power? Introduction yourself? Why you choose Tele caller job? What is your strength and weekness?

Q1. About my self and experience
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Q2. About my hobbies
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Q1. Document verify
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Q2. Tel about my favorite topic
Ans. 
My favorite topic is artificial intelligence and its impact on society.
• AI has revolutionized various industries such as healthcare, finance, and transportation

• Ethical considerations surrounding AI development and deployment are crucial

• AI has the potential to both improve and disrupt society in significant ways
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It was online assessment

Q1. Questions were mainly from oops c++ and database management
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Q2. What is four pillars of oops. What is array and vector. Implement queue using stack. Project based questions.
Ans. 
The four pillars of OOP are encapsulation, inheritance, polymorphism, and abstraction. Arrays are fixed-size data structures, while vectors are dynamic arrays. A queue can be implemented using two stacks.
• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Inheritance: Creating new classes based on existing classes, inheriting their attributes and methods.

• Polymorphism: Objects of differe...read more
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Q3. Four pillars of opps
Ans. 
The four pillars of object-oriented programming are encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Inheritance: Allowing a new class to inherit properties and behavior from an existing class.

• Polymorphism: The ability for objects of different classes to respond to the same message.

• Abstraction: Hiding the complex implementatio...read more
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Q4. What is dbms explain
Ans. 
DBMS stands for Database Management System. It is a software system that allows users to define, create, maintain and control access to databases.
• DBMS is a software system that manages databases.

• It allows users to define, create, maintain, and control access to databases.

• DBMS provides tools for data manipulation, retrieval, and security.

• Examples of DBMS include MySQL, Oracle, SQL Server, and PostgreSQL.
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Q5. What isSQL.and some queries
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