Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Write a method named randomInts which returns an array whose length is given in the first argument. The array is filled with random integers between 0 and n - 1.
Hint: use (int) (Math.random() * n) to generate each random number.
ArrayUtils.java
1 public class ArrayUtils
2 {
3
/**
* Returns an int array of length len, with 0 >= values < n.
* @param len the size of the returned array.
* @param n the upper (excluded) bounds of the random numbers.
* @return the array as described here.
*/
4
7
8.
public static
randomInts(. . . len,
n)
.. .
10
11
12
13
return
}
14
15 }
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Transcribed Image Text:Write a method named randomInts which returns an array whose length is given in the first argument. The array is filled with random integers between 0 and n - 1. Hint: use (int) (Math.random() * n) to generate each random number. ArrayUtils.java 1 public class ArrayUtils 2 { 3 /** * Returns an int array of length len, with 0 >= values < n. * @param len the size of the returned array. * @param n the upper (excluded) bounds of the random numbers. * @return the array as described here. */ 4 7 8. public static randomInts(. . . len, n) .. . 10 11 12 13 return } 14 15 }
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