how to i generate random numbers within the user range?

Im making a program to take the user input which stands for how many numbers they want, and i have to show as many random numbers as they say. heres the little part i have so far: if(selection==3) { System.out.print("How many numbers would you like to see?"); int ran=kb.nextInt(); } (theres more code but i just cant figure out how to di this part. any help? thank you :)
Think loops, specifically a for loop.

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