computer science

package shipping; public interface IContainer { /** * Returns the container's unique id. * * @return A string value indicating the container's id. */ public String id(); /** * Returns a description of container. * <p> * @return A string value indicating the container's description. */ public String description(); /** * Returns the code that represents the destination city for the container. * <p> * @return A string value indicating the destination for the container. */ public String destinationCity(); }