20+ Naresh Radio Interview Questions and Answers

I am currently using Visual Studio Code as my primary tool for software development.

• Visual Studio Code is a lightweight and versatile code editor.

• It has a wide range of extensions and plugins available for customization.

• It supports multiple programming languages and has built-in Git integration.

• Other tools I have experience with include Eclipse, IntelliJ IDEA, and Sublime Text.

To create a custom serializable interface, you need to define an interface with the Serializable marker interface and implement the necessary methods.

• Define an interface with the Serializable marker interface

• Implement the necessary methods for serialization and deserialization

• Ensure all fields in the class implementing the interface are serializable

Program to reverse a string using array of characters

• Create an array of characters to store the input string

• Iterate through the input string and store each character in the array

• Iterate through the array in reverse order to construct the reversed string

Event loop in JavaScript is a mechanism that allows asynchronous non-blocking behavior by handling events and callbacks.

• Event loop is responsible for handling asynchronous operations in JavaScript.

• It allows JavaScript to perform non-blocking operations by queuing tasks in a loop.

• Event loop continuously checks the call stack and the task queue, moving tasks from the queue to the stack when the stack is empty.

• Example: setTimeout() function in JavaScript uses the event loop to e...read more

Criteria in Hibernate is used to create and execute dynamic queries.

• Criteria is an interface in Hibernate that allows the creation of dynamic queries without using HQL or SQL.

• Criteria queries are type-safe and can be easily modified at runtime.

• Criteria queries can be used to fetch entities based on certain conditions or restrictions.

• Example: Criteria criteria = session.createCriteria(Employee.class);

Hibernate simplifies the process of managing database operations in Java applications.

• Provides object-relational mapping (ORM) capabilities

• Reduces boilerplate code for database operations

• Supports various database vendors and SQL dialects

• Enables transparent persistence

• Facilitates easy querying and caching of data

JVM is a virtual machine that executes Java bytecode. JDK is a software development kit that includes the JVM and other tools.

• JVM stands for Java Virtual Machine

• JVM is responsible for executing Java bytecode

• JDK stands for Java Development Kit

• JDK includes the JVM, compiler, debugger, and other tools

• JDK is used for developing Java applications

Node.js is a runtime environment that allows you to run JavaScript on the server side.

• Node.js is built on Chrome's V8 JavaScript engine.

• It uses an event-driven, non-blocking I/O model.

• Node.js is commonly used for building scalable network applications.

Program to check if a given string is a palindrome

• Create a function that takes a string as input

• Remove all non-alphanumeric characters and convert to lowercase

• Compare the string with its reverse to check if it is a palindrome