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courses:mapreduce-tutorial:step-24 [2012/01/27 21:56]
straka
courses:mapreduce-tutorial:step-24 [2012/01/27 22:01]
straka
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   * The filename //must// be the same as the name of the class -- this is enforced by Java compiler.   * The filename //must// be the same as the name of the class -- this is enforced by Java compiler.
   * In one class multiple jobs can be submitted, either in sequence or in parallel.   * In one class multiple jobs can be submitted, either in sequence or in parallel.
 +  * A mismatch of types is usually detected by the compiler, but sometimes it is detected only at runtime. If that happens, an exception is raised and the program crashes.
  
 ===== Running the job ===== ===== Running the job =====

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