java tutorial - Java - Method Character.isLetter() - java programming - learn java - java basics - java for beginners
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Description
- The Character.isLetter() method in Java determines whether the specified char value is a letter.
Syntax
boolean isLetter(char ch)click below button to copy the code. By - java tutorial - team
Options
- Detailed information about the parameters:
- ch is a primitive character type (char).
Return value
- In Java, Character.isLetter() returns true if the passed character is a letter.
Sample Code
public class Test {
public static void main (String args []) {
System.out.println ("Value \"w\"letter? Answer:" + Character.isLetter ('w'));
System.out.println ("Value \"K\"letter? Answer:" + Character.isLetter ('K'));
System.out.println ("Value \"1\"letter? Answer:" + Character.isLetter ('1'));
System.out.println ("Value \"!\"Letter? Answer:" + Character.isLetter ('!'));
System.out.println ("Value \"&\"letter? Answer:" + Character.isLetter ('&'));
}
}click below button to copy the code. By - java tutorial - team
Output
Value "w"letter? Answer:true
Value "K"letter? Answer:true
Value "1"letter? Answer:false
Value "!"Letter? Answer:false
Value "&"letter? Answer:false