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What is Character.isLetterOrDigit() in Java?
abhilash
Overview
The isLetterOrDigit() method is a static method in the Character class in Java, which is used to determine if the specified character is a letter or digit.
A character is determined a letter or a digit when either of the Character.isLetter() or Character.isDigit() methods return true.
Syntax
public static boolean isLetterOrDigit(char ch)
Parameters
char ch - The character to be checked for letter or digit.
Return value
The isLetterOrDigit() function returns true if the character sent as a parameter is a letter or a digit; otherwise, it returns false.
Example
In the code below, we test the function against letters, digits and special characters.
public class Main{
public static void main(String[] args){
System.out.println(Character.isLetterOrDigit('a'));
System.out.println(Character.isLetterOrDigit('1'));
System.out.println(Character.isLetterOrDigit('9'));
System.out.println(Character.isLetterOrDigit('Z'));
System.out.println(Character.isLetterOrDigit('.'));
System.out.println(Character.isLetterOrDigit('!'));
}
}
RELATED TAGS
java
characters
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abhilash
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