/* * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template */ package lab10_calebfontenot; import java.util.Scanner; /** * * @author caleb */ public class CharacterClassStringClass { public static void main(String[] args) { // Create Scanner Scanner input = new Scanner(System.in); // Declare variables String userResponse; boolean loopToggle = true; int parseCheck; // While loop while (loopToggle) { System.out.println("Continue looping?"); System.out.println("Please enter y/n or yes/no: "); userResponse = input.next(); if (userResponse.toLowerCase().charAt(0) == 'y') { if (userResponse.length() > 1) { // User has entered a string that starts with y // Check if string == yes if (userResponse.toLowerCase().equals("yes")) { System.out.println("You typed '" + userResponse + '\''); System.out.println("ok!"); } else { System.out.println("Invalid input! You entered '" + userResponse + '\''); } } else { // User has responded with 'y' System.out.println("You typed '" + userResponse + '\''); System.out.println("ok!"); } } else if (userResponse.toLowerCase().charAt(0) == 'n') { if (userResponse.length() > 1) { // User has entered a string that starts with y // Check if string == yes if (userResponse.toLowerCase().equals("no")) { System.out.println("You typed '" + userResponse + '\''); // Kill the loop. loopToggle = false; } else { System.out.println("Invalid input! You entered '" + userResponse + '\''); } } else { // User has responded with 'n' System.out.println("You typed " + userResponse.charAt(0)); // Kill the loop. loopToggle = false; } } else { // Invalid input handling // Attempt to parse string as an integer. try { parseCheck = Integer.parseInt(userResponse); // If it got past this, the user entered a number. System.out.println("Invalid input! You entered " + parseCheck + ", which is an integer!"); } catch (NumberFormatException ex) { if (!(userResponse.length() > 1)) { // Condition is true if response is a char. System.out.println("'" + userResponse + "' is an incorrect character!"); } else { // Response is a string. System.out.println("'" + userResponse + "' is too long!"); } } } } } }