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- Timestamp:
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May 1, 2010, 9:54:16 AM (16 years ago)
- Author:
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jazz
- Comment:
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--
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| 14 | 14 | hadoop004@hadoop:~$ java HelloWorldApp |
| 15 | 15 | }}} |
| | 16 | * 程式解說: |
| | 17 | * Java 程式原始碼,檔案名稱必須與類別名稱一致。一個程式原始碼若有多於一個的類別,只有一個可以是 public 類別,其餘必須是 private 或內部類別(inner class) |
| | 18 | * 與 C/C++ 相似,Java Application 主程式的進入點為 main 函數,唯其型態比較複雜,必須為 public static void,宣告為 public 其他類別才可以呼叫,宣告為 static 才能直接透過類別名稱呼叫,void 代表沒有回傳値。程式的參數以 String 類別型態傳入,類似 C/C++ 的 argv 變數。 |
| | 19 | {{{ |
| | 20 | #!java |
| | 21 | public static void main(String[] args) |
| | 22 | }}} |
| | 23 | * 註:Windows 操作請參考[grid:wiki:jazz/09-07-06 2009-07-06 成大工科實習生 Java 教學(一)] |
| 16 | 24 | |
| | 25 | = |
| 17 | 26 | |
| 18 | | * 註:Windows 操作請參考[grid:wiki:jazz/09-07-06 2009-07-06 成大工科實習生 Java 教學(一)] |
| | 27 | * |