java獲取區間隨機數

iStart:開始數

iEnd:結束數

   

 private double getRandom(double iStart,double iEnd){

 

        double start = 0;

        double end = 0;

        if(iStart > iEnd){

            start = iEnd;

            end = iStart;

        } else {

            start = iStart;

            end = iEnd;

        }

 

        return (double)(start + Math.random()*((end - start + 1)));

    }