Hi Chanchal,
JSON data consists of the following types:
Array: ordered values, separated by commas, enclosed in square brackets
Boolean: true or false
null: empty value
Object: unordered key/value collection enclosed in curly braces
String: Unicode enclosed in double quotation marks
Value: a string, number, true, false, null
Whitespace: used between tokens
Number: double-precision floating point number, including exponential numbers, NaN, and Infinity. Octal and hexadecimal are not supported.