Scanner in = new Scanner(System.in);
String name;
String surname;
String middleName;
String address;
String joinDate;

System.out.print("Add new employeenEnter employee name: ");
name = in.next();

System.out.print("Enter employee surname: ");
surname = in.next();

 System.out.print("Enter employee middle name: ");
 middleName = in.next();
 System.out.print("Enter employee address: ");
 address = in.next();

if (in.hasNextLine()) {
    middleName = in.next();
} else {
    middleName = null;
}

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main
{
    public static void main(final String[] args) throws IOException
    {
        final BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        System.out.print("Enter employee middle name: ");
        final String middleName = reader.readLine();
        System.out.println("middleName = '" + middleName + "'");
    }
}

import java.io.IOException;
import java.util.Scanner;

public class Main
{
    public static void main(final String[] args) throws IOException
    {
        final Scanner in = new Scanner(System.in);
        System.out.print("Enter employee middle name: ");
        final String middleName = in.nextLine();
        System.out.println("middleName = '" + middleName + "'");
    }
}