Compare Version Numbers

CompareVersionNumbers.java

public class Solution {
    public int compareVersion(String version1, String version2) {
        int retval = 0;
        
        String[] strArray1 = version1.split("[.]");
        String[] strArray2 = version2.split("[.]");
        
    
        for (int i = 0; i < Math.max(strArray1.length, strArray2.length); i++){
            int val1 = (i < strArray1.length ? Integer.parseInt(strArray1[i]) : 0);
            int val2 = (i < strArray2.length ? Integer.parseInt(strArray2[i]) : 0);
            if (val1 > val2){
                return 1;
            }
            else if (val1 < val2){
                return -1;
            }
        }
       
        return retval;
    }
}