question: @ SuppressWarnings ( "unchecked" ) public Intervals ( Collection < T > content , Function < T , Double > probs ) { intervals = new Interval [ content . size ( ) ] ; int i = 0 ; double total = 0.0f ; for ( T a : content ) { double prob = probs . apply ( a ) ; if ( prob == Double . NaN ) { throw new RuntimeException ( "probability is NaN: " + a ) ; } intervals [ i ++ ] = new Interval < T > ( a , total , total + prob ) ; total += prob ; } if ( total < 0.0001 ) { throw new RuntimeException ( "total prob is null: " + content ) ; } totalProb = total ; }
target:  Creates a new interval collection with a collection of values and a function specifying the probability of each value