[질문] 자바...컴파일 에러...변수부분이...

public class SortNumbers
{
public static void sort(double nums[])
{
double tmp;

for(int i=0; i {
int min=1;

for(int j=i; j {
if(nums[j] < nums[min]) min=j;
}
}

tmp=nums[i];
nums[i]=nums[min];
nums[min]=tmp;
}

public static void main(String args[])
{
double nums[]=new double[10];

for(int i=0; i nums[i]=Math.random() * 100;

sort(nums);

for(int i=0; i System.out.println(nums[i]);
}
}

[hurryon@localhost ~/java/1220]$ javac SortNumbers.java
SortNumbers.java17 cannot resolve symbol
symbol variable i
location class SortNumbers
tmp=nums[i];
^
SortNumbers.java18 cannot resolve symbol
symbol variable i
location class SortNumbers
nums[i]=nums[min];
^
SortNumbers.java18 cannot resolve symbol
symbol variable min
location class SortNumbers
nums[i]=nums[min];
^
SortNumbers.java19 cannot resolve symbol
symbol variable min
location class SortNumbers
nums[min]=tmp;
^
4 errors
[hurryon@localhost ~/java/1220]$

음...static으로 선언하면 될거라 생각했는데
제가 뭘 잘못 이해하고 있는건가봐요. ㅡ.ㅡ;