Hi friend in California which university provide the master of business administration course in 1 year because I want to do this course in 1 year so ask you about university which provide this course education in 1 year

There are many universities in California which offers the MBA program for year both as part time and full time.

Here are those university list:

Hult International Business School

California State University Long Beach College of Business Administration

The Graziadio School of Business and Management, Pepperdine University

Marshall School of Business, University of Southern California

Here is the contact detail for the Marshall School of Business university:
University Park Campus
Marshall School of Business,
University of Southern California
90089 Los Angeles, CA, USA