看代码:
public class sum {
public static void main(String[] args) throws Exception {
int a = (int) (Math.random() * 20);
int b = (int) (Math.random() * 20);
int min = Math.min(a, b);
int max = Math.max(a, b);
System.out.println("最小值:" + min);
System.out.println("最大值:" + max);
int sum = 0;
for (int i = min; i <= max; ++i) {
sum += i;
}
System.out.printf("%d~%d的所有数和为:%d\n", min, max, sum);
}
}
运行: