Java - isLetter() Method

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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 passed character is really a character.

Example:

public class Test {

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

This produces the following result:

true
false



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