Plss help

Question

publipublicc class Solution {
/*
* Find errors in the following function
* Rectify them and submit the code
*/
public static int max_number(int n){
int maxnum=0;
int i=1;
while(n/i>=0)
{
int newnum=(n/(i*10))*i+(n%i);
i=i*10;
if(maxnum<newnum)
newnum=maxnum;
}
return maxnum;
}
}

Answer 1

Save code in playground and share link here.. Is it full code? No. Where is main method?
" publipublicc " ???