What can i tell the judge if i missed my dej class and i got excluded for missing my class?

Hi I was let go on deferred entry of judgement and I was going to my classes. I missed two classes and was excluded from the class. I was supposed to call to let them know i would be missing class, but i didn't. The teacher said I have to go see the judge now but I dont know whats gonna happen when I see him. I wanted to know what I can tell him so I dont have to go to jail. I have a baby and ive been looking for a job every day but its hard to find work nowadays. If anyone can help me i would greatly appreciate it. By the way I live in California.