How to use char in java

Char data type in Java

In Java, the char data type is used to represent a single 16-bit Unicode character. It can store any Unicode character, from letters and numbers to special symbols and emoticons.

Using char

To use the char type, you need to use the following syntax:

char variableName = 'value';

Where:

• variableName is the name of the char variable to be created.
• value is the Unicode character to be stored in the variable, enclosed in single quotes.

Example

The following example creates a char variable named myChar and sets its value to the letter "A":

char myChar = 'A';

Usage

The char type can be used for a variety of purposes, including:

• Storing single character data.
• Compare characters for text processing.
• As a case in a switch-case statement.
• Storing characters in a string.

Special Characters

Java provides special character sequences to represent some common characters as follows:

Special sequence	Characters
'\n'	Line break
'\t'	Tab character
'\b'	Backspace character
'\r'	Carriage return character
'\f'	Form feed character
'\"'	Double quotes
'\''	Single quotes
'\'	Backslash

Type conversion

char type can be used with other Data types (such as int, byte and float) are converted as follows:

• From char to int: char value is converted to Unicode code point.
• From int to char: The int value is converted to the corresponding Unicode character.
• From char to byte: The lower 8 bits of the char value are converted to the byte value.
• From byte to char: The byte value is converted to the corresponding Unicode character. .

The above is the detailed content of How to use char in java. For more information, please follow other related articles on the PHP Chinese website!