Java

Generating non-repeating random numbers using a combination of repetition and selection.

Suppose your generating random numbers for ace and four other people named first, second, third, and fourth. These random numbers range from 0-4 and it must not repeat. Each number represents a role.

Print out the corresponding role.

Number	Role
0	Teacher
1	Bus driver
2	Coach
3	Writer
4	Student

Example output:

	1st time	2nd time	3rd time	4th time	5th time
Ace	0	3	4	2	2
First	3	2	0	3	4
Second	2	0	1	0	1
Third	4	4	3	1	0
Fourth	1	1	2	4	3