Not sure what else you wanted done as ternary operators but here you go.
import java.util.Scanner;
public class Character {
char ch;
int i;
public void acceptData() {
Scanner in = new Scanner(System.in);
System.out.println("Enter any character");
ch = in.nextLine().charAt(0);
i = (int) ch;
boolean b2 = (123 > i && i > 95);
String rts = b2 ? "lower case" : "special character";
boolean b1 = (91 > i && i > 64) ;
String str = b1 ? "upper case" : rts;
}
public static void main(String args[]) {
Character obj = new Character();
obj.acceptData();
System.out.println(str);
}
}