question: private void generateHiveTestFiles ( ) throws FileNotFoundException { try ( PrintWriter writerA = new PrintWriter ( new File ( testWorkDir , "data-a" ) ) ; PrintWriter writerB = new PrintWriter ( new File ( testWorkDir , "data-b" ) ) ) { char sep = '\t' ; int idB = 0 ; int idA = 0 ; int v = 1000 ; for ( int i = 0 ; i < 1000 ; i ++ ) { writerA . print ( idA ++ ) ; writerA . print ( sep ) ; writerA . println ( idB ) ; writerB . print ( idB ++ ) ; writerB . print ( sep ) ; writerB . println ( v += 2 ) ; writerB . print ( idB ++ ) ; writerB . print ( sep ) ; writerB . println ( v += 2 ) ; } writerA . flush ( ) ; writerB . flush ( ) ; } }
target:  Generates two data files to join its with Hive.