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Android Build a Simple Android App (2014) Basic Android Programming Using the Random Class

Uros Dukic
Uros Dukic
1,001 Points

android coding problem

Now limit the range of the randomNumber variable from 0 to 9. Use the version of nextInt() that has a parameter that specifies how many numbers to choose from. Bummer! There is a compiler error. Please click on preview to view your syntax errors!

2 Answers

Justin Horner
Justin Horner
Treehouse Guest Teacher

Hell Uros,

In order to accomplish this you'll need to pass the nextInt method a value of 10. This will generate a random number between 0 and 9 because the 0 is inclusive and the value you provide is exclusive. From the documentation

Returns a pseudorandom, uniformly distributed int value between 0 (inclusive) and the specified value (exclusive), drawn from this random number generator's sequence.

I hope this helps.

int randomNumber = randomGenerator.nextInt(10);

This is how the line of code will look using Justin's explanation of why the value is 10. Hope this helps!