public class test
{
public static void main(String[] args)
{
int i=1;
for(i=1;i<20;i++)
{
if(i%2==1)
System.out.println("奇数有:"+Integer.valueOf(i).toString());
}
for(i=1;i<20;i++)
{
if(i%2==0)
System.out.println("偶数有:"+Integer.valueOf(i).toString());
}
}