private void showMenu() {
		int choice;
		boolean quit;

		quit = false;

		try {
			// disable auto commit mode
			con.setAutoCommit(false);

			while (!quit) {
				System.out.print("\n\nPlease choose one of the following: \n");
				System.out.print("1.  Insert branch\n");
				System.out.print("2.  Delete branch\n");
				System.out.print("3.  Update branch\n");
				System.out.print("4.  Show branch\n");
				System.out.print("5.  Quit\n>> ");

				choice = Integer.parseInt(in.readLine());

				System.out.println(" ");

				switch (choice) {
				case 1:
					insertBranch();
					break;
				case 2:
					deleteBranch();
					break;
				case 3:
					updateBranch();
					break;
				case 4:
					showBranch();
					break;
				case 5:
					quit = true;
				}
			}

			con.close();
			in.close();
			System.out.println("\nGood Bye!\n\n");
			System.exit(0);
		} catch (IOException e) {
			System.out.println("IOException!");

			try {
				con.close();
				System.exit(-1);
			} catch (SQLException ex) {
				System.out.println("Message: " + ex.getMessage());
			}
		} catch (SQLException ex) {
			System.out.println("Message: " + ex.getMessage());
		}
	}