Krama Inggil manners are of the Java language that is polite when in use in daily conversation, especially with older people. As for opponents of this language manner is "Boso Ngoko" in the opposite sense with this language. Nowadays this language is rarely used by residents of Java, especially because they think out of date. Some examples of this language is the word meaning head sirrah, "sampean" meaning you, and much more.
Example and comparison
References
Krama Inggil Wikipedia(Text) CC BY-SA