word

package Word_Snake;
import java.util.ArrayList;
import java.util.Date;
import java.util.Random;
import java.util.Scanner;
import java.util.Timer;
import java.util.regex.Pattern;
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import java.time.LocalDate;

public class Word {
	public static int count = 0;
	public static void main(String[] args) throws IOException {
		timerthread timer = new timerthread();
		timer.start();
		try{  
			Class.forName("com.mysql.cj.jdbc.Driver");  
			Connection con=DriverManager.getConnection(  
			"jdbc:mysql://localhost:3306/entries","root","ou1106983163");  //entries is database name
			Statement stmt=con.createStatement();  
			
			Scanner input = new Scanner(System.in);
			
			ArrayList<String> word  = new ArrayList<String>();
			Random randomStart = new Random();
			char alphabet = (char) (randomStart.nextInt(26) + 'a'); 
			String startCharacter = String.valueOf(alphabet);  
			word.add(startCharacter);
			
			
			for (int i = 1; i <= 200; i++) {
				
				String preword = word.get(word.size()-1);
				System.out.println("    Round " + i);
				System.out.println("    Previous word: " + word.get(i-1)
				+ ".\nPlease continue (start with " + preword.charAt(preword.length()-1) + "): ");;
				

				String temp = input.next();
				if (timer.getTimeExpired() == true) { 
					timer.interrupt();
					timer.exit();
					break;
				}
				while (!Pattern.matches("[a-zA-Z]+", temp)) {
	
		           		System.out.println("    Special character(s) or number(s) are not accepted."
		           							+ "\nPlease continue (start with " + preword.charAt(preword.length()-1) + "): ");
		           		temp = input.next();
		           }
				ResultSet rs=stmt.executeQuery("select * from entries where word = '" + temp + "'"); 
				
				while(!rs.isBeforeFirst()) {
					System.out.println("Couldn't find an existing word! Please re-enter your input: ");
					temp = input.next();
					
					rs=stmt.executeQuery("select * from entries where word = '" + temp + "'"); 
				}
				
				word.add(temp); 
				
				
	            String currentWord = word.get(word.size()-1);
	       
	            
	            while (Character.toLowerCase(currentWord.charAt(0)) != preword.charAt(preword.length()-1)) {
					word.remove(i);
					System.out.println("    False. The first letter of your word should match the last letter of previous word."
							+ "\nYour previous word is: " + preword 
							+ ". Please continue (start with " + preword.charAt(preword.length()-1) + "): ");
					
					word.add(input.next());
					
					currentWord = word.get(word.size()-1);
				}
	          
	            for (int j = 0; j < word.size() - 1; j++) {
	            	while (currentWord.equalsIgnoreCase(word.get(j))) {
	                	System.out.println("    You can't use " + "'" + currentWord + "'" + " twice!");
	                	word.remove(i);
	    				System.out.println("\nYour previous word is: " + preword 
	    						+ ". Please continue (start with " + preword.charAt(preword.length()-1) + "): ");
	    				
	    				word.add(input.next());
	    				
	    				currentWord = word.get(word.size()-1);
	                }
	            }
	            count++;
	            System.out.println("Definition of " + word.get(word.size()-1) + ": ");
				while (rs.next()) {
					System.out.println("{" + rs.getString(2));
					System.out.println(rs.getString(3) + "}");
					System.out.println("-------------------------------------------------------------------------------------------------");
				}
			}
			
			con.close();  
			
		}
		catch(Exception e){
			System.out.println(e);
		}  
		  
	}
}