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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Knuth-shuffle/Java/knuth-shuffle.java Normal file
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import java.util.Random;
public static final Random gen = new Random();
// version for array of ints
public static void shuffle (int[] array) {
int n = array.length;
while (n > 1) {
int k = gen.nextInt(n--); //decrements after using the value
int temp = array[n];
array[n] = array[k];
array[k] = temp;
}
}
// version for array of references
public static void shuffle (Object[] array) {
int n = array.length;
while (n > 1) {
int k = gen.nextInt(n--); //decrements after using the value
Object temp = array[n];
array[n] = array[k];
array[k] = temp;
}
}