JavaScript and JSON

Question 1

What is JSON?

Answer 1

JavaScript Object Notation
JSON is a lightweight format for storing and transporting data

Question 2

What are serialization and deserialization?

Answer 2

Serialization is a mechanism of converting the state of an object into a byte stream. Deserialization is the reverse process where the byte stream is used to recreate the actual Java object in memory.

Question 3

Why are serialization and deserialization useful?

Answer 3

to transform/recreate data objects to/from a portable format. Serialization enables us to save the state of an object and recreate the object in a new location. Serialization encompasses both the storage of the object and exchange of data.

Question 4

How do you serialize a data structure into a JSON string using JavaScript?

Answer 4

JSON.stringify()

Question 5

How do you deserialize a JSON string into a data structure using JavaScript?

Answer 5

JSON.parse()