public boolean trimToSizeIfGreaterThanPercent ( double loadFactor ) { double excessCapacity = 1.0 - ( double ) this . size / ( double ) this . items . length ; if ( excessCapacity > loadFactor ) { this . trimToSize ( ) ; return true ; } return false ; }
Express load factor as 0 . 25 to trim a collection with more than 25% excess capacity