import java.util.Scanner;
class HomeWork
{
public static void main(String[] agrs)
{
//for循环 求和
int a = getSum(10);
System.out.println("和为"+a);
//for求偶数和
int b = getOuSum(100);
System.out.println("偶数和为"+b);
//for求奇数和
int c = getJiSum(100);
System.out.println("奇数和为"+c);
//for打印水仙花数，统计水仙花个数
// printFlower();
//for打印乘法表
print99(9);
}
//for循环 求和
static int getSum(int num)
{
int sum = 0;
for (int i = 1; i <= num; i++)
{
sum += i;
}
return sum;
}
//for求偶数和
static int getOuSum(int num)
{
int sum = 0;
for (int i = 1; i <= num; i++)
{
if (i % 2 == 0)
{
sum += i;
}
}
return sum;
}
//for求奇数和
static int getJiSum(int num)
{
int sum = 0;
for (int i = 1; i <= num; i++)
{
if (i % 2 == 1)
{
sum += i;
}
}
return sum;
}
//for打印水仙花数，并统计个数。
static void printFlower()
{
int count = 0;
System.out.print("100-999中水仙花数有：");
for (int i = 100; i <= 999; i++)
{
int x = i % 10;
int y = i / 10 % 10;
int z = i / 100;
要找谁？