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What is the largest value that can be generated from the expression (int)(Math.random() * 10) + 1?

1) 1
2) 10
3) 11
4) 9

1 Answer

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Final answer:

The maximum value of the expression (int)(Math.random() * 10) + 1 is 10. The Math.random() function generates a value less than 10 after multiplication and truncation. Adding 1 results in the highest possible integer value of 10.

Step-by-step explanation:

The largest value that can be generated from the expression (int)(Math.random() * 10) + 1 is 11. Math.random() generates a double value in the range of 0.0 (inclusive) to 1.0 (exclusive). When the highest possible double less than 1.0 is multiplied by 10, the result is a value just less than 10. Casting this to an integer (int) truncates the decimal part, resulting in the highest integer value of 9. Adding 1 to this result gives the maximum value of 10. However, because Math.random() is exclusive of 1 and the result is truncated after multiplication with 10, the actual highest value achieved is 10 (9+1). Therefore, the correct answer is 10, which corresponds to option 2 in the list of values provided.

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