Check whether a character is an alphabet or not.
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); boolean av = false; System.out.println("Enter the Alphabet "); char ch = sc.next().charAt(0); for(int i = 'A'; i<='Z'; i++){ if(ch == i){ av = true; break; } } if(av ==false){for(int i = 'a'; i<='a'; i++){ if(ch == i){ av = true; break; } }} if(av==true){System.out.println(ch + " is an Alphabet");} else{System.out.println(ch + " is not ...