提示:数组初始化值可自拟,输出结果如下图

用流很简单
int[] intArray = {12,3,34,67,100,99};
IntStream intStream = IntStream.of(intArray);
IntSummaryStatistics statistics = intStream.summaryStatistics();
System.out.println("the max:" + statistics.getMax());
System.out.println("the min:" + statistics.getMin());