JAVA

/** * numDistinctElements returns the number of distinct elements in a given array of doubles. * * Some examples: * numDistinctElements(new double[] { }) is 0 * numDistinctElements(new double[] { 1, -4, -7, 7, 8, 11 }) is 6 * numDistinctElements(new double[] { -7, -4, -7, 3, 8, 8 }) is 4 */

Code Below:

public static int numDistinctElements (double[] list) { return 0; }