What does StringTokenizer do in Java?

What is the difference between StringTokenizer and split?

A token is returned by taking a substring of the string that was used to create the StringTokenizer object.

Difference Between StringTokenizer and Split Method in Java.

StringTokenizer Split()
It just accepts a String by which it will split the string It accepts regular expressions.
The delimiter is just a character long. The delimiter is a regular expression.

How do you use tokenization in Java?


  1. import java.util.StringTokenizer;
  2. public class Simple{
  3. public static void main(String args[]){
  4. StringTokenizer st = new StringTokenizer(“my name is khan”,” “);
  5. while (st.hasMoreTokens()) {
  6. System.out.println(st.nextToken());
  7. }
  8. }

What does Tokenize mean in Java?

String tokenization is a process where a string is broken into several parts. Each part is called a token. For example, if “I am going” is a string, the discrete parts—such as “I”, “am”, and “going”—are the tokens. Java provides ready classes and methods to implement the tokenization process.

Should I use StringTokenizer?

StringTokenizer is a legacy class that is retained for compatibility reasons although its use is discouraged in new code. It is recommended that anyone seeking this functionality use the split method of String or the java.

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What is difference between Split and substring in Java?

When you run this multiple times, the substring wins on time hands down: 1,000,000 iterations of split take 3.36s, while 1,000,000 iterations of substring take only 0.05s. And that’s with only eight components in the string! The difference for sixty components would be even more drastic.

What is a scanner class in Java?

The Java Scanner class is used to collect user input. Scanner is part of the java. util package, so it can be imported without downloading any external libraries. Scanner reads text from standard input and returns it to a program.

What is nextToken in Java?

The nextToken(String delim) method is used to return the next token in this string tokenizer’s string. First, the set of characters considered to be delimiters by this StringTokenizer object is changed to be the characters in the string delim. Then the next token in the string after the current position is returned.

What is a StringBuffer in Java?

StringBuffer is a peer class of String that provides much of the functionality of strings. String represents fixed-length, immutable character sequences while StringBuffer represents growable and writable character sequences. … StringBuffer may have characters and substrings inserted in the middle or appended to the end.

What is delimiter in Java?

What is a delimiter? In Java, delimiters are the characters that split (separate) the string into tokens. Java allows us to define any characters as a delimiter. There are many string split methods provides by Java that uses whitespace character as a delimiter. The whitespace delimiter is the default delimiter in Java.

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What is super keyword in Java?

The super keyword in Java is a reference variable which is used to refer immediate parent class object. Whenever you create the instance of subclass, an instance of parent class is created implicitly which is referred by super reference variable. 1. super can be used to refer immediate parent class instance variable.

What is string method in Java?

All String Methods

Method Description Return Type
toString() Returns the value of a String object String
toUpperCase() Converts a string to upper case letters String
trim() Removes whitespace from both ends of a string String
valueOf() Returns the string representation of the specified value String

What are the various methods used in StringTokenizer class?

Following are 5 types of Methods available in Java StringTokenizer:

  • hasMoreTokens() The method java. util. …
  • nextToken() The method java. util. …
  • countTokens() This method java. util. …
  • nextElement() This method returns Object rather than String and java. util. …
  • hasMoreElements() Next, in this method java. util.
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