Question Bank

3705 approved questions from the community

What is currying in JavaScript?

MEDIUM
SINGLE CHOICE
35s
Javascript
by Mohamed

What is the purpose of the finally block in try-catch?

MEDIUM
SINGLE CHOICE
30s
Javascript
by Mohamed

Which of the following are differences between Map and plain objects? (Select all that apply)

EASY
MULTIPLE CHOICE
45s
Javascript
by Mohamed

What are the differences between CommonJS and ES Modules? (Select all that apply)

MEDIUM
MULTIPLE CHOICE
50s
Javascript
by Mohamed

What does Promise.all() do?

MEDIUM
SINGLE CHOICE
35s
Javascript
by Mohamed

Which are advantages of using Promises over callbacks? (Select all that apply)

MEDIUM
MULTIPLE CHOICE
45s
Javascript
by Mohamed

What is transpilation?

MEDIUM
SINGLE CHOICE
30s
Javascript
by Mohamed

What is code splitting?

MEDIUM
SINGLE CHOICE
35s
Javascript
by Mohamed

What is memoization?

HARD
SINGLE CHOICE
35s
Javascript
by Mohamed

What is currying?

HARD
SINGLE CHOICE
40s
Javascript
by Mohamed

What is throttling?

MEDIUM
SINGLE CHOICE
35s
Javascript
by Mohamed

What does localStorage do?

EASY
SINGLE CHOICE
25s
Javascript
by Mohamed

What is the difference between localStorage and sessionStorage?

EASY
SINGLE CHOICE
30s
Javascript
by Mohamed

What is the IndexedDB?

MEDIUM
SINGLE CHOICE
35s
Javascript
by Mohamed

What is the delegation principle in ClassLoader hierarchy?

MEDIUM
SINGLE CHOICE
35s
Java
by Mohamed

What is the difference between checked and unchecked exceptions in Java?

MEDIUM
SINGLE CHOICE
35s
Java
by Mohamed

What is the try-catch block used for in Java?

EASY
SINGLE CHOICE
30s
Java
by Mohamed

What is dynamic class loading in Java?

MEDIUM
SINGLE CHOICE
35s
Java
by Mohamed

What is multi-threading in Java?

EASY
SINGLE CHOICE
30s
Java
by Mohamed

What keyword is used to achieve inheritance in Java?

EASY
SINGLE CHOICE
25s
Java
by Mohamed
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