count word in string no matter the delimiter java

1public static void main(String[] args)
2    { 
3        //Scanner object instantiation 
4        Scanner dude = new Scanner(System.in); 
5       
6       //variable declaration 
7       String string1 = ""; 
8       int count = 0; 
9       boolean isWord = false; 
10       
11       
12       //user prompt and input 
13       System.out.println("Enter in your string"); 
14       string1 = dude.nextLine(); 
15       
16       int endOfLine = string1.length()-1; 
17       char ch [] = string1.toCharArray(); 
18       
19       for (int i = 0; i < string1.length(); i++)
20       { 
21           if(Character.isLetter(ch[i]) && i != endOfLine)
22           {//if character is letter and not end of line
23               isWord = true; //it is part of a word 
24           }  
25           if (!Character.isLetter(ch[i]) && isWord)
26           { //if character is not a letter, and previous 
27             //character is a letter i.e. non-letter is 
28             //preceded by character 
29              count++; //add to word count 
30              isWord = false; //get ready to detect new word  
31           }
32           if (Character.isLetter(ch[i]) && i == endOfLine)
33           { //if character is letter 
34             //and at end of line 
35               count++; //add to word count 
36               isWord = false; 
37           }
38           
39       } 
40       System.out.println("There are " +count+ " words");     
41    }