我正在测试新的StreamAPI在java-8中，想要检查10000次随机掷硬币的结果。到目前为止，我有:publicstaticvoidmain(String[]args){Randomr=newRandom();IntStreamrandomStream=r.ints(10000,0,2);System.out.println("Heads:"+randomStream.filter(x->x==1).count());System.out.println("Tails:"+randomStream.filter(x->x==0).count());}但这会抛出异常:java.la