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+package innovimax.mixthem.interfaces;%0A%0Aimport innovimax.mixthem.exceptions.MixException;%0A%0A/**%0A* This interface provides for zipping two lines%0A* @author Innovimax%0A* @version 1.0%0A*/%0Apublic interface IZipLine %7B%09%0A%09/**%0A %09* Returns the result of zipping two lines.%0A%09* @param line1 The first line to zip%0A %09* @param line2 The second line to zip%09%0A %09* @return The result of zipping two lines%0A %09* @throws MixException - If an mixing error occurs%0A %09*/%0A%09String join(String line1, String line2) throws MixException;%09%0A%7D%0A

Create IZipLine.java