1 | // CSE 143 Homework 6: 20 Questions |
2 | |
3 | /** |
4 | * Interface describing abstract user interaction operations. |
5 | * This interface is implemented by the graphical and text UIs for the game. |
6 | * Your QuestionTree interacts with the UI through this interface. |
7 | * @author Marty Stepp |
8 | * @version 2010/02/20 |
9 | */ |
10 | public interface UserInterface {
|
11 | /** |
12 | * Waits for the user to input a yes/no answer (by typing, clicking, etc.), |
13 | * and returns that answer as a boolean value. |
14 | * @return the answer typed by the user as a boolean (yes is true, no is false) |
15 | */ |
16 | boolean nextBoolean(); |
17 | |
18 | /** |
19 | * Waits for the user to input a text value, and returns that answer as a String. |
20 | * @return the answer typed by the user as a String (empty string if no answer typed) |
21 | */ |
22 | String nextLine(); |
23 | |
24 | /** |
25 | * Displays the given output message to the user. |
26 | * @param message The message to display. Assumes not null. |
27 | */ |
28 | void print(String message); |
29 | |
30 | /** |
31 | * Displays the given output message to the user. |
32 | * If the UI is a text UI, also inserts a line break (\n). |
33 | * @param message The message to display. Assumes not null. |
34 | */ |
35 | void println(String message); |
36 | |
37 | // various messages that are output by the user interface |
38 | // (your QuestionTree does not need to refer to these messages) |
39 | final String PLAY_AGAIN_MESSAGE = "Challenge me again?"; |
40 | final String SAVE_MESSAGE = "Shall I remember these games?"; |
41 | final String LOAD_MESSAGE = "Shall I recall our previous games?"; |
42 | final String SAVE_LOAD_FILENAME_MESSAGE = "What is the file name?"; |
43 | final String STATUS_MESSAGE = "Games played: %d\nI won: %d"; |
44 | final String BANNER_MESSAGE = "Think of an item, and I will guess it."; |
45 | } |
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| Snippet ID: | #1002515 |
| Snippet name: | Java text game / UserInterface |
| Eternal ID of this version: | #1002515/1 |
| Text MD5: | bcb8c497de6f19f72e6f667f5ffd7c4c |
| Author: | stefan |
| Category: | |
| Type: | Java source code |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2016-01-29 18:33:23 |
| Source code size: | 1798 bytes / 45 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 564 / 134 |
| Referenced in: | [show references] |