```
public class Solution {
public int shortestDistance(String[] words, String word1, String word2) {
int a = Integer.MAX_VALUE, b = a;
int dis = a, min = a;
for(int i=0; i<words.length; i++){
if(words[i].equals(word1)) {
a = i;
dis = Math.abs(a-b);
} else if(words[i].equals(word2)) {
b = i;
dis = Math.abs(a-b);
}
min = Math.min(min, dis);
}
return min;
}
}
```