reworked.java

public class Adjacent
{
    public Adjacent()
    {
        int result = 0;
        
        for(int i = 264793; i <= 803935; i++)
        {
           char[] number = Integer.toString(i).toCharArray();
           int previousDigit = -1;
           boolean found = false;
           
           for(int j = 0; j < number.length; j++)
           {
               int currentDigit = Integer.parseInt(String.valueOf(number[j]));
               
               if(currentDigit < previousDigit)
               {
                   found = false;
                   break;
               }
               
               if(currentDigit == previousDigit)
               {
                   if(j > 0)
                   {
                       int digitBefore = Integer.parseInt(String.valueOf(number[j - 1]));
                       if(digitBefore == currentDigit)
                       {
                           if(j < number.length)
                           {
                             int digitAfter = Integer.parseInt(String.valueOf(number[j + 1]));
                             if(digitAfter == currentDigit)
                             {
                                found = false;
                                continue;
                             }
                           }
                           
                       }
                   }
                   else if (j < number.length)
                   {
                       
                   }
               }
           }
        }
    }
}