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courses:mapreduce-tutorial:step-21 [2012/01/26 23:57]
straka
courses:mapreduce-tutorial:step-21 [2012/01/31 11:18] (current)
straka
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   - Create a ''​Makefile''​ containing <file Makefile Makefile>​include /​net/​projects/​hadoop/​java/​Makefile</​file>​   - Create a ''​Makefile''​ containing <file Makefile Makefile>​include /​net/​projects/​hadoop/​java/​Makefile</​file>​
  
-When typing ''​make'',​ every Java file is compiled (with the Hadoop library and some extra classes) to a jar file. It is of course possible to compile just selected sources using ''​make file1.jar file2.jar''​.+===== Compiling ===== 
 + 
 +When typing ''​make'',​ every Java file is compiled (with the Hadoop library and some extra classes) to a jar file. It is of course possible to compile just selected sources using
 +  ​make ClassName1.jar ClassName2.jar 
 +or  
 +  make -f /​net/​projects/​hadoop/​java/​Makefile ClassName1.jar
  
 Command ''​make clean''​ remove for every Java file its jar file and subdirectory with compiled classes. Command ''​make clean''​ remove for every Java file its jar file and subdirectory with compiled classes.
  
 ===== Exercise ===== ===== Exercise =====
-Create a directory and a ''​Makefile''​ as described and download {{:​courses:​mapreduce-tutorial:​step-21.txt|WordCount.java}}. Try compiling it using ''​make''​.+Create a directory and a ''​Makefile''​ as described and download {{:​courses:​mapreduce-tutorial:​step-21.txt|CompileTest.java}}. Try compiling it using ''​make''​.
  
 ===== Using VIM ===== ===== Using VIM =====
 If you like using VIM, there is a special configuration available for editing Hadoop java files. Just execute If you like using VIM, there is a special configuration available for editing Hadoop java files. Just execute
-  /​net/​projects/​hadoop/​vim+  /​net/​projects/​hadoop/bin/vim
 instead of ''​vim''​. instead of ''​vim''​.
  
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   * Key F8 opens a //taglist// -- small window with classes, fields and functions in the current file.   * Key F8 opens a //taglist// -- small window with classes, fields and functions in the current file.
   * Pressing ''​\\''​ comments/​uncomments current (or selected) line.   * Pressing ''​\\''​ comments/​uncomments current (or selected) line.
 +
 +----
 +
 +<​html>​
 +<table style="​width:​100%">​
 +<tr>
 +<td style="​text-align:​left;​ width: 33%; "></​html><​html></​td>​
 +<td style="​text-align:​center;​ width: 33%; "></​html>​[[.|Overview]]<​html></​td>​
 +<td style="​text-align:​right;​ width: 33%; "></​html>​[[step-22|Step 22]]: Optional – Setting Eclipse.<​html></​td>​
 +</tr>
 +</​table>​
 +</​html>​

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