Java Tutorial

Java Control Statements

Object Oriented Programming

Java Built-in Classes

Java File Handling

Java Error & Exceptions

Java Multithreading

Java Synchronization

Java Networking

Java Collections

Java Interfaces

Java Data Structures

Java Collections Algorithms

Advanced Java

Java Miscellaneous

Java APIs & Frameworks

Java Class References

Java Useful Resources

Java - isLetter() Method

Description

The method determines whether the specified char value is a letter.

Syntax

boolean isLetter(char ch)

Parameters

Here is the detail of parameters −

ch − Primitive character type.

Return Value

This method returns true if the passed character is really a character.

Example

Live Demo

public class Test {

   public static void main(String args[]) {
      System.out.println(Character.isLetter('c'));
      System.out.println(Character.isLetter('5'));
   }
}

This will produce the following result −

Output

true
false

java_characters.htm