Question Bank

Which core Node.js module is used to perform file system operations such as reading and writing files?

What information is typically found in a package.json file?

What are the primary functions of NPM (Node Package Manager)?

Which command-line based version manager is commonly used to update and switch between Node.js versions?

In a non-blocking I/O model, the application thread must stop and wait for a file read operation to complete before continuing with other tasks.

What is the primary architectural difference between Node.js and traditional servers like Apache/PHP?

What are the key features and characteristics of Node.js?

How do you perform string interpolation in Kotlin for an expression like adding two numbers?

Kotlin code can be executed without a main function by using 'script mode' with file extensions like .kts.

How can you create a singleton in Kotlin using the most succinct syntax?

What is the primary difference between 'val' and 'var' in Kotlin?

Which of the following are built-in primitive types in Kotlin?

What is Java bytecode?

Java is considered a 'pure' object-oriented language because every element, including primitive types, is an object.

What does it mean for Java to be a statically typed language?

What is a major distinction between a primitive 'int' and its wrapper class 'Integer'?

What is the difference between 'path' and 'classpath' in Java?

What is the correct relationship between JDK, JRE, and JVM?

What is the primary concept behind Java's 'Write Once, Run Anywhere' (WORA) philosophy?

Which tag is used to insert a simple line break in an HTML document?