I need help with a lab for my computer science class and I'm extremely low on experience with java. I have to show my lab before the exam and its due today. Please help me.

Question

Basically, my code needs to calculate n! Computer x to n power
Calculate 1+2+3+4+..+n
Make a string first n integers
Add the reciprocals 1+1/2 +1/3 +…+1/n
And it needs to quit.

Answer 1

Is this a single program or something else

Answer 2

I dont have any friends in my class and its a single program