close
Warning:
Can't synchronize with repository "(default)" (Unsupported version control system "svn": /usr/lib/python2.7/dist-packages/libsvn/_delta.so: failed to map segment from shared object: Cannot allocate memory). Look in the Trac log for more information.
- Timestamp:
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Apr 13, 2010, 4:19:43 PM (15 years ago)
- Author:
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jazz
- Comment:
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--
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v9
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v10
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33 | 33 | * 繳交方式:以個人為單位,將報告 e-mail 至 jazz@nchc.org.tw |
34 | 34 | * 題組二: |
35 | | * 已知 java 語法中,extends 代表繼承自父類別,implement 代表實作某介面(Interface,類似 C++ 多重繼承),請根據 WordCount 範例程式(wordcount.java),繪製 UML 類別圖(如下圖)。(20%) |
| 35 | * 已知 java 語法中,extends 代表繼承自父類別,implement 代表實作某介面(Interface,類似 C++ 多重繼承),請根據 WordCount 範例程式(wordcount.java),繪製 UML 類別圖(如下圖)。(20%) 註:繪製 UML 可以使用 [http://alexdp.free.fr/violetumleditor/page.php Violet UML Editor] |
36 | 36 | * [[Image(wiki:NCTU100407:wordcount_uml.jpg)]] |
37 | 37 | * 以 hadoop 0.20.2 預設的 conf 目錄為輸入,使用 hadoop fs -put conf input 上傳檔案至 HDFS,請嘗試在 wordcount 範例程式中加入 system.out.println,並回答 map() 函數輸入的 key 內容為何?(20%) |