32. throwing IOException example

• A method that throws the IOException

  
      public static int getRecordCount3() throws IOException
      {
          long length = getFileLength();       // may throw 
                                               // IOException
          int recordCount = (int) ( length / RECORD_SIZE );
          return recordCount;
      }
  
  

• Compiler error generated if you don't catch or throw a checked exception

  
      C:\java\netbeans\src\ProductApp.java:12:
      error: unreported exception IOException;
      must be caught or declared to be thrown
              getRecordCount()