assigning the values of instance variable initializers to the corresponding instance variables, in the left-to-right order in which they appear textually in the source code
JavaScript Object Notation (JSON) is a lightweight, text-based, language-independent data interchange format. It was derived from the ECMAScript Programming Language Standard. JSON defines a small set of formatting rules for the portable representation of structured data.
N. Schmitt, J. Bucek, K. Lange, и S. Kounev. Proceedings of the 11th ACM/SPEC International Conference on Performance Engineering (ICPE 2020), New York, NY, USA, ACM, (апреля 2020)