in java please

3. (a) Write a function of the form: int getcountinRange (int n, int[] x, int minval, int maxval) that given an array of integers and its dimension, returns the number of elements that are between minval and maxval. (b) Write a function of the form int[] getvaluesinRange (int n, int[] x, int minval, int maxval) which returns an array containing all of the values that are in range. The total number of values found is also returned as an int. (c) Write a function of the form int[] getindexinRange (int n, int[] x, int minval, int maxval) which returns an array of all the index values for which the elements of x[] are in range. The total number of indices is returned as well