Largest Odd Number in String.java

https://leetcode.com/problems/largest-odd-number-in-string/
class Solution {
    public String largestOddNumber(String num) {
        for(int i  = num.length()-1;i>=0;i--){
            if(Character.getNumericValue(num.charAt(i))%2 != 0){
                    return num.substring(0,i+1);
            }
        return "";
    }
}