Question Bank

1899 approved questions from the community

Which files are used by npm and yarn to ensure deterministic, consistent package installations across different machines?

MEDIUM
MULTIPLE CHOICE
30s
Nodejs
by Mohamed

Which of the following are distinct phases or components of the Node.js event loop?

MEDIUM
MULTIPLE CHOICE
45s
Nodejs
by Mohamed

Which components are part of the event-driven programming architecture in Node.js?

MEDIUM
MULTIPLE CHOICE
45s
Nodejs
by Mohamed

How does Node.js handle multi-threading for compute-heavy tasks if it operates on a single main thread?

MEDIUM
SINGLE CHOICE
40s
Nodejs
by Mohamed

How can you implement custom property behavior in Kotlin classes?

MEDIUM
MULTIPLE CHOICE
45s
Kotlin
by Mohamed

What occurs during a 'smart cast' in Kotlin?

MEDIUM
SINGLE CHOICE
30s
Kotlin
by Mohamed

What is the function of the Elvis operator (?:) in Kotlin?

MEDIUM
SINGLE CHOICE
30s
Kotlin
by Mohamed

Which features does the 'when' expression in Kotlin provide?

MEDIUM
MULTIPLE CHOICE
45s
Kotlin
by Mohamed

What is a major difference between 'if' in Kotlin compared to Java?

MEDIUM
SINGLE CHOICE
30s
Kotlin
by Mohamed

What are the benefits of using extension functions in Kotlin?

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MULTIPLE CHOICE
45s
Kotlin
by Mohamed

What are the characteristics and use cases for the 'Unit' type in Kotlin?

MEDIUM
MULTIPLE CHOICE
40s
Kotlin
by Mohamed

Which of the following statements about Kotlin type inference are true?

MEDIUM
MULTIPLE CHOICE
45s
Kotlin
by Mohamed

How does Kotlin improve the developer experience for Android development compared to Java?

MEDIUM
MULTIPLE CHOICE
45s
Kotlin
by Mohamed

What are the key strengths of Kotlin when running on the JVM?

MEDIUM
MULTIPLE CHOICE
45s
Kotlin
by Mohamed

Which of these are significant purposes of the 'this' keyword in Java?

MEDIUM
MULTIPLE CHOICE
40s
Java
by Mohamed

What is the rule regarding overloading and overriding static methods in Java?

MEDIUM
SINGLE CHOICE
35s
Java
by Mohamed

In Java, what effect does the 'final' keyword have when applied to different entities?

MEDIUM
MULTIPLE CHOICE
45s
Java
by Mohamed

Which of the following are true regarding garbage collection and reference types in Java?

MEDIUM
MULTIPLE CHOICE
45s
Java
by Mohamed

Which of the following are valid use cases for using wrapper classes in Java?

MEDIUM
MULTIPLE CHOICE
45s
Java
by Mohamed

What is the primary role of the ClassLoader in the Java runtime environment?

MEDIUM
SINGLE CHOICE
35s
Java
by Mohamed
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