question: private static String pickRandomStatsFields ( String [ ] fieldNames ) { String fieldName ; do { fieldName = fieldNames [ TestUtil . nextInt ( random ( ) , 0 , fieldNames . length - 1 ) ] ; } while ( fieldName . endsWith ( "_b" ) || fieldName . endsWith ( "_b1" ) ) ; return fieldName ; }
target:  Picks a random field to use for Stats