question: public static boolean isLafAqua ( ) { ensureValidCache ( ) ; if ( cachedIsLafAqua == null ) { cachedIsLafAqua = Boolean . valueOf ( computeIsLafAqua ( ) ) ; } return cachedIsLafAqua . booleanValue ( ) ; }
target:  Lazily checks and answers whether the Aqua look&amp;feel is active.