Скачать или смотреть stringtokenizer basic method string in java

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certainly! the `stringtokenizer` class in java is a utility used for breaking a string into tokens. a token is a substring that is separated by delimiters. the `stringtokenizer` class provides methods to extract tokens from a string based on specified delimiters.

key features of `stringtokenizer`

1. **delimiters**: the default delimiters are whitespace characters (space, tab, newline, etc.), but you can specify custom delimiters.
2. **enumeration**: `stringtokenizer` implements the `enumeration` interface, so you can iterate over tokens using its methods.
3. **no regular expression**: unlike `string.split()`, which uses regular expressions, `stringtokenizer` uses simple string delimiters.

basic methods

1. **constructor**:
`stringtokenizer(string str)`: constructs a string tokenizer for the specified string.
`stringtokenizer(string str, string delim)`: constructs a string tokenizer for the specified string using the specified delimiters.

2. **methods**:
`boolean hasmoretokens()`: returns true if there are more tokens available.
`string nexttoken()`: returns the next token from the string tokenizer.
`string nexttoken(string delim)`: returns the next token using the specified delimiters.
`int counttokens()`: returns the number of tokens remaining.

example code

here’s a simple example that demonstrates how to use `stringtokenizer` in java:



explanation of the example

1. **default delimiters**: the first `stringtokenizer` instance uses the default whitespace delimiters and iterates through the tokens in the string, printing each one on a new line.

2. **custom delimiters**: the second `stringtokenizer` instance specifies vowels as delimiters. when iterated, it will break the string at each vowel and print the remaining parts as tokens.

3. **counting tokens**: the `counttokens()` method is used to determine how many tokens are left to be processed.

output

when you run the above program, you will get an output similar to thi ...

#StringTokenizer #JavaProgramming #python
StringTokenizer
Java
basic method
string manipulation
tokenization
delimiters
parsing strings
string processing
text analysis
split strings
Java programming
character tokens
string handling
Java utilities
lexical analysis