What is use of StringTokenizer class in Java?
The string tokenizer class allows an application to break a string into tokens. The tokenization method is much simpler than the one used by the StreamTokenizer class. The StringTokenizer methods do not distinguish among identifiers, numbers, and quoted strings, nor do they recognize and skip comments.
Why do we use StringTokenizer in Java?
StringTokenizer class in Java is used to break a string into tokens. A StringTokenizer object internally maintains a current position within the string to be tokenized. Some operations advance this current position past the characters processed.
What is the purpose of StringTokenizer class write any two functions name of StringTokenizer class?
A StringTokenizer class is a class present in the java. util package and it is used to break a String into tokens. In other words, we can split a sentence into its words and perform various operations like counting the number of tokens or breaking a sentence into tokens.
Is StringTokenizer deprecated?
StringTokenizer is a legacy class (i.e. there is a better replacement out there), but it’s not deprecated.
Which scanner class method reads a string?
nextLine
Scanner Class Methods
| Method | Description |
|---|---|
| nextFloat() | Reads a float value from the user |
| nextInt() | Reads an int value from the user |
| nextLine() | Reads a String value from the user |
| nextLong() | Reads a long value from the user |
Which package includes StringTokenizer that Tokenizes a string into independent words?
util package includes StringTokenizer tokenizes string into independent words – Core Java.
Which is better StringTokenizer or split?
The split() method is preferred and recommended even though it is comparatively slower than StringTokenizer. This is because it is more robust and easier to use than StringTokenizer. A token is returned by taking a substring of the string that was used to create the StringTokenizer object.
What is string class methods?
Java String class provides a lot of methods to perform operations on strings such as compare(), concat(), equals(), split(), length(), replace(), compareTo(), intern(), substring() etc. The java.lang.String class implements Serializable, Comparable and CharSequence interfaces.
How do I create a string in Java?
There are two ways to create string in Java. Using the new operator. Syntax String = new String(“ ”); This method of creation of strings creates a new object in the heap and hence should be avoided,
How can I compare two strings in Java?
You can compare two Strings in Java using the compareTo() method, equals() method or == operator. The compareTo() method compares two strings. The comparison is based on the Unicode value of each character in the strings.
Is string in Java a class or object?
Strings, which are widely used in Java programming, are a sequence of characters. In Java programming language, strings are treated as objects. The Java platform provides the String class to create and manipulate strings.
How do you declare a string in Java?
Declaring arrays and strings for Java When you communicate with Java, declare arrays by using the special array classes, and declare strings by using jstring. To use one of these classes for interoperability with Java, you must code an entry in the REPOSITORY paragraph.