ublic boolean passwordCheck() {
		if (!tPassword1.getText().equals(tPassword2.getText())) {
			JOptionPane.showMessageDialog(Signup.this, "Passwords do not match try again.", "Error",
					JOptionPane.ERROR_MESSAGE);
			return false;

		}
		return true;
	}

	private boolean readLogin() {
		try {
			BufferedReader getData = new BufferedReader(new FileReader(new File("UPW.txt")));
			String logininfo = getData.readLine();

			while (logininfo != null) {
				String[] pass = logininfo.split(",");
				if (pass[0].equals(tUsername.getText())) {

					JOptionPane.showMessageDialog(Signup.this, "Username is already taken. Please try again.", "Error",
							JOptionPane.ERROR_MESSAGE);
					return false;
				}
				logininfo = getData.readLine();
			}
			getData.close();
		} catch (IOException e) {
			System.out.println(e);
			System.exit(0);
		}
		return true;
	}

	private class ListenForButton implements ActionListener {
		public void actionPerformed(ActionEvent d) {
			if (d.getSource() == signUp) {

				if (readLogin() && passwordCheck()) {
					new writer(tUsername.getText(), tPassword1.getText(), tPassword2.getText());
					JOptionPane.showMessageDialog(Signup.this, "You have successfully signed up.", "",
							JOptionPane.PLAIN_MESSAGE);
					dispose();

				}

			} else if (d.getSource() == cancel) {
				dispose();

			}
		}
	}

	public class writer {
		private String username;
		private String password;

		public writer(String username, String password, String confirm) {
			this.username = username;
			this.password = password;

			try {
				PrintWriter fileOut = new PrintWriter(new BufferedWriter(new FileWriter("UPW.txt", true)));
				fileOut.println(this.username + "," + this.password);
				fileOut.close();
			} catch (IOException e) {
				System.out.println("could not find and/or open file");
				System.out.println(e);
			}
		}
	}