JAVA

/** * isUnique returns whether the given array of doubles contains a given number only once. * If the given number (elem) is not in the array you will need to return false. * If elem is in the array you will need to return true if it appears only once, and false o/w. * * Some examples: * isUnique(new double[] { }, 5) is false * isUnique(new double[] { 1, -4, -7, 7, 8, 11 }, -7) is true * isUnique(new double[] { -7, -4, -7, 3, 8, 8 }, -7) is false */

Code Below:

public static boolean isUnique (double[] list, double elem) { return false;