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I appeared for an interview in Oct 2021.
OOPs (Object-Oriented Programming) is a programming paradigm that uses objects to design applications and programs.
OOPs focuses on creating reusable code and organizing it into objects.
It involves the concepts of inheritance, encapsulation, and polymorphism.
Inheritance allows a class to inherit properties and methods from another class.
Encapsulation is the process of hiding data and methods within a class.
Polymorphism ...
Inheritance allows for code reuse and promotes polymorphism.
Inheritance allows for creating a new class from an existing class.
The new class can inherit all the properties and methods of the existing class.
Inheritance promotes code reuse and reduces code duplication.
Inheritance also allows for polymorphism, where objects of different classes can be treated as if they are of the same class.
For example, a Car class can i...
String is immutable, StringBuilder and StringBuffer are mutable. StringBuffer is thread-safe.
String is immutable, meaning its value cannot be changed once it is created.
StringBuilder and StringBuffer are mutable, meaning their values can be changed.
StringBuilder is not thread-safe, while StringBuffer is thread-safe.
Use StringBuilder when you don't need thread-safety, and StringBuffer when you do.
Example: String str = "...
String is immutable to ensure thread safety and security. String pooling is a technique to reuse string literals.
Immutable strings prevent accidental modification and ensure thread safety.
String pooling reduces memory usage by reusing string literals.
String objects can be created using the new keyword, but it is not recommended.
StringBuffer and StringBuilder classes can be used for mutable strings.
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Basics of C language
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I appeared for an interview before Jun 2024, where I was asked the following questions.
I applied via Job Portal and was interviewed in Jan 2023. There were 3 interview rounds.
posted on 7 Jun 2024
I appeared for an interview in Nov 2022.
Strong appitude knowledge is required.
SQL statements are used to interact with databases by performing operations like querying, updating, and deleting data.
SQL statements are made up of keywords like SELECT, INSERT, UPDATE, DELETE, etc.
They are structured in a specific order, with clauses like WHERE, ORDER BY, GROUP BY, etc.
Tables are referenced using their names, and conditions are specified to filter data.
Joins can be used to combine data from multiple ...
I applied via Recruitment Consulltant and was interviewed before Feb 2023. There were 3 interview rounds.
JavaScript, React Js
I expect a challenging role that fosters growth, collaboration, and innovation while allowing me to contribute meaningfully to projects.
Opportunities for professional development, such as workshops or courses.
A collaborative team environment where ideas are shared openly.
Involvement in innovative projects that push the boundaries of technology.
Clear career progression paths and regular feedback on performance.
One weakness I have is that I can be overly critical of my own work, which can sometimes lead to self-doubt.
I tend to overthink things and can be indecisive at times
I have a tendency to take on too many tasks at once, leading to feeling overwhelmed
I struggle with public speaking and often get nervous in front of large groups
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