about StringTokenize===>

[David Huang]

I have the following code:

do analyze(String s){

StringTokenizer st = new StringTokenizer(s, "/" ,false);

this.address = st.nextToken();
this.dateq=Integer.parseInt(st.nextToken());
}

what if the passing String 's' dosen't contain '/'?

then I will get an empty set of variables..

is it possible to check whether the String s contains '/' then proceed my code ...?

I am a java beginner, can anyone just tell the exact code of doing that?


Many thanks

[Steven Bell]

If the String doesn't contain a '/' the whole String will be returned from the first call to nextToken().

You can test for a '/' in the string with the following

String s = //someString
int index = s.indexOf('/');
if(index == -1){
  //the slash is not in the string
}else{
  //token code here
}

You can also get the number of tokens by calling countTokens() on the StringTokenizer

[Damanjit Kaur]

StringTokenizer st = new StringTokenizer(s, "/" ,false);

this.address = st.nextToken();
this.dateq=Integer.parseInt(st.nextToken());
}

what if the passing String 's' dosen't contain '/'?

The StringTokenizer constructor that you are using won't return any token including '/' character, because of the third argument in constructor which is false. The second argument is used to denote delimiters/separators between the tokens.