Count duplicate characters in string - Java

CountChar.java

import java.io.*;
public class CountChar
{
     public static void main(String[] args) throws IOException
     {
          String str;
          BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
          System.out.print("Enter the String:");
          str = br.readLine();
          int count=0, size= 0;
          do
          {
               char name[] = str.toCharArray();
               size = name.length;
               count = 0;
               for(int j=0; j < size; j++)
               {
                    if((name[0] == name[j]) && ((name[0] >= 65 && name[0] <= 91) || (name[0] >= 97 && name[0] <= 123)))
                    count++;
               }
               if(count!=0)
                    System.out.println(name[0]+" "+count+" Times");
               str = str.replace(""+name[0],"");          
          }
          while(size != 1);
     }
}