| Config | 
| public static final java.lang.String | CARGO_LINK | "->" | 
| public static final java.lang.String | ENGINE_END | ")" | 
| public static final java.lang.String | ENGINE_START | "(" | 
| public static final java.lang.String | ERROR_CARGO_NOT_FOUND | "ERROR: Cargo not found " | 
| public static final java.lang.String | ERROR_DEST_NOT_FOUND | "ERROR: Train for the destination not found " | 
| public static final java.lang.String | ERROR_DEST_OR_CARGO_NOT_FOUND | "ERROR: Cargo for the Train heading to the destination not found " | 
| public static final java.lang.String | ERROR_FILE_READ | "Error occured to load a train from file : " | 
| public static final java.lang.String | ERROR_NO_TRAIN_IN_HUB | "There is no train in the hub." | 
| public static final java.lang.String | ERROR_USAGE | "Not supported Arguments\nUsage : java TrainHubMain [-f filename1 filename2 ...]" | 
| public static final java.lang.String | ERROR_WRONG_COMMAND | "Wrong command. Enter a menu number (1~9)." | 
| public static final int | MAX_CART_NUM | 100 | 
| public static final int | MAX_WEIGHT | 10000 | 
| public static final int | MIN_CART_NUM | 50 | 
| public static final int | MIN_WEIGHT | 2000 | 
| public static final java.lang.String | PROMPT_INPUT_CARGO | "Enter the Cargo Name : " | 
| public static final java.lang.String | PROMPT_INPUT_DEST | "Enter the Destination of the Train : " | 
| public static final java.lang.String | PROMPT_INPUT_MOVE_DST | "Enter the Destination of the Train that cargo is moved to: " | 
| public static final java.lang.String | PROMPT_INPUT_MOVE_SRC | "Enter the Destination of the Train that has the source chain of cargo: " | 
| public static final java.lang.String | PROMPT_MENU | "============== HUB CONTROL ==============\n1. Handle a new train arrival\n2. Remove a Cargo car from a departing Train\n3. Get the Weight of a Cargo product from all the departing trains\n4. Depart a Train\n5. Depart All the Trains in Hub\n6. Display a departing Train\n7. Display All departing Trains in Hub\n8. Move matching cargo from src train to dst train\n9. Quit\n=========================================" | 
| public static final java.lang.String | PROMPT_OUTPUT_WEIGHT | "Total weight " | 
| public static final java.lang.String | PROMPT_WELCOME_MSG | "//// Welcome to UW Train Hub ////" |