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I applied via Naukri.com and was interviewed in May 2023. There were 3 interview rounds.
Reverse a string without using functions in Java and Python
Iterate through the string from end to start and store each character in a new array
Join the characters in the new array to form the reversed string
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I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
I applied via Naukri.com and was interviewed in Jul 2024. There were 2 interview rounds.
2 programmings on problem solving+ some mcqs on Java + spring boot+ mysql
MySQL is a specific implementation of SQL, which is a standardized language for managing databases.
MySQL is a specific relational database management system (RDBMS) that uses SQL as its query language.
SQL (Structured Query Language) is a standardized language for managing databases, used by various RDBMS like MySQL, Oracle, and SQL Server.
MySQL is open-source and free to use, while some other RDBMS like Oracle may requ...
Abstraction and interface are key concepts in Java for achieving abstraction and defining contracts for classes.
Abstraction in Java is achieved using abstract classes and interfaces.
Abstract classes can have both abstract and concrete methods, while interfaces can only have abstract methods.
Interfaces define contracts that classes must implement, allowing for polymorphism and loose coupling.
Example: interface Shape { v...
JSP stands for JavaServer Pages, a technology used for creating dynamic web pages.
JSP allows embedding Java code in HTML pages
It simplifies the process of creating dynamic web content
JSP files are compiled into servlets by the server for execution
Use pagination, indexing, caching, and query optimization to fetch 1 lakh entries efficiently from the database.
Implement pagination to fetch data in smaller chunks
Create indexes on columns frequently used in queries
Use caching to store frequently accessed data
Optimize queries by avoiding unnecessary joins and using appropriate indexes
Consider using database-specific optimizations like query hints or stored procedures
Streams process elements sequentially, while parallel streams process elements concurrently.
Streams process elements one by one in a sequential manner.
Parallel streams process elements concurrently, potentially utilizing multiple threads for faster processing.
Streams are suitable for smaller datasets or when order matters.
Parallel streams are more efficient for larger datasets or when order is not important.
Example: St...
Static keyword in Java is used to create class-level variables and methods that can be accessed without creating an instance of the class.
Static variables are shared among all instances of a class.
Static methods can be called without creating an object of the class.
Static keyword can be used to initialize a variable only once.
Example: public static int count = 0;
Method overloading is when multiple methods have the same name but different parameters. Method overriding is when a subclass provides a specific implementation of a method that is already provided by its superclass.
Method overloading allows a class to have multiple methods with the same name but different parameters.
Method overriding occurs in a subclass when a method has the same name, return type, and parameters as ...
Swapping two variables without using a third variable
Use XOR operation to swap two variables without using a third variable
Example: a = 5, b = 10; a = a ^ b; b = a ^ b; a = a ^ b; // Now a = 10, b = 5
I am impressed by the organization's innovative projects and collaborative work culture.
Impressed by innovative projects
Attracted to collaborative work culture
Excited about potential for growth and learning opportunities
My weakness is overthinking and my strength is attention to detail.
Weakness: tend to overthink situations, which can lead to indecision or unnecessary stress
Strength: strong attention to detail, ensuring accuracy and quality in my work
Example: I sometimes spend too much time analyzing a problem before taking action, but I have learned to set deadlines for myself to prevent this from affecting my productivity
I would check for internet connection, restart the app, clear cache, and update the app.
Check internet connection
Restart the app
Clear cache
Update the app
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