Java Programming Help

The initial barcode1 used by the U.S Postal System to route mail is defined as follows: Each decimal digit in the ZIP code is encoded using a sequence of three half-height and two full-height bars. The barcode starts and ends with a full-height bar (the guard rail) and includes a checksum digit (after the five-digit ZIP code or the nine-digit ZIP+4 code), computed by summing up the original digits modulo 10. Implement the following functions • Draw a half-height or full-heigh bar on StdDraw. • Given a digit, return the binary code of that digit as a String. • Compute the checksum digit. • Given a String of 1's and 0's, draw the corresponding barcode in which 1's are full- height bars and 0's are half-height bars. The barcode should be centered in the StdDraw canvas. Implement a test client that reads in a five or nine digit ZIP code as the command line argument and draws the corresponding postal barcode.