java Logic Random with out repetition

[Jhovarie]

Hello guys this is simple but this is hard for beginner.

Try to test your logic this is called random number without repetition.
• Create 3 int variables.
• Each 3 variables are random numbers 1 up to 3.
• Don’t use array.
• Your goal is to print these three variables without duplicate.

Your output must like this just link one of these two link

jguiang4th.net23.net/tutorials/java/logic/random_no_repetition.html

or

youtube.com/watch?v=o2bMcItZBs8

post your answer here or post your answer there.
thanks