Sosiolinguistics is the study of inter relationships of language and social structure, linguistics variation and attitudes toward language. It is any set of linguistics form which pattern according to social factors. For example, the way of how to speak of student to lecturer is different from the way how the speak of student to beggar despite using the same language. It can also be in intonation/choosing the word.

The social factors are : linguistic style, dialect and language. They are called CODE.

There two kinds of sociolinguistics :

1. Micro

It is called ethnography of communication. It studies language in relation to society. For example : language used in a meeting.

2. Macro

It is called sociology of language. It studies society in relation to language. For example :How Surakartan society behaving Javanese