f2qnLQna

1import java.util.*;
2class EmailID_Generator
3{
4    String domainList[] = {"@outlook.com", "@gmail.com", "@icloud.com", "@rediffmail.com", "@hotmail.com", "@live.in", "@yahoo.co.in"};
5    char valid_chars[] = {' ', '.', '!', '#', '$', '%', '&', '*',
6            '+', '-', '/', '=', '?', '^', '_', '`', '|', '~',};
7    void main()
8    {
9        Scanner sc = new Scanner(System.in);
10        System.out.println("Enter name:");
11        String name = sc.nextLine().toLowerCase().trim();
12        System.out.println("Do you want to reflect the DOB in your generated Email IDs?(Y/N):-");
13        char c = sc.next().charAt(0);
14        c = Character.toLowerCase(c);
15        switch (c)
16        {
17            case 'y':
18                System.out.println("Enter DOB(DD/MM/YY):-");
19                String DOB = sc.next().trim();
20                emailid_gen_dob(name, DOB);
21                break;
22            case 'n':
23                emailid_gen(name);
24                break;
25            default:
26                System.err.println("Invalid Input");
27                System.exit(0);
28        }
29    }
30    void emailid_gen(String name)
31    {
32        int counter = 0;
33        String parts[] = name.split("\\s"); // Considering a 2 word name. TODO: UNIVERSAL
34        for (String domain : domainList)
35        {
36            for (char c : valid_chars)
37            {
38                System.out.println(parts[0] + (Character.isWhitespace(c) ? "" : c) +  parts[1] + domain);
39                System.out.println(parts[1] + (Character.isWhitespace(c) ? "" : c) + parts[0] + domain);
40                counter += 2;
41            }
42        }
43        System.out.println("Total Generated Email IDs:- " + counter);
44    }
45    void emailid_gen_dob(String name, String DOB)
46    {
47        int counter = 0;
48        String parts[] = name.split("\\s"); // Considering a 2 word name. TODO: UNIVERSAL
49        String date_data[] = DOB.split("/");
50        for (String domain : domainList)
51        {
52            for (char c : valid_chars)
53            {
54                System.out.println(parts[0] + (Character.isWhitespace(c) ? "" : c) +  parts[1] + domain);
55                System.out.println(parts[0] + date_data[0] + (Character.isWhitespace(c) ? "" : c) +  parts[1] + domain);
56                System.out.println(parts[0] + (Character.isWhitespace(c) ? "" : c) +  parts[1] + date_data[2] + domain);
57                System.out.println(parts[0] + (Character.isWhitespace(c) ? "" : c) +  parts[1] + date_data[0] + date_data[1] + date_data[2] + domain);
58                System.out.println(parts[0] + date_data[1] + date_data[2] + (Character.isWhitespace(c) ? "" : c) +  parts[1] + domain);
59                System.out.println(parts[0] + date_data[2] + (Character.isWhitespace(c) ? "" : c) +  parts[1] + domain);
60                System.out.println(parts[0] + date_data[2] + (Character.isWhitespace(c) ? "" : c) +  parts[1] + date_data[0] + date_data[1] + domain);
61                System.out.println(parts[1] + (Character.isWhitespace(c) ? "" : c) + parts[0] + domain);
62                System.out.println(parts[1] + date_data[0] + (Character.isWhitespace(c) ? "" : c) +  parts[0] + domain);
63                System.out.println(parts[1] + (Character.isWhitespace(c) ? "" : c) +  parts[0] + date_data[2] + domain);
64                System.out.println(parts[1] + (Character.isWhitespace(c) ? "" : c) +  parts[0] + date_data[0] + date_data[1] + date_data[2] + domain);
65                System.out.println(parts[1] + date_data[1] + date_data[2] + (Character.isWhitespace(c) ? "" : c) +  parts[0] + domain);
66                System.out.println(parts[1] + date_data[2] + (Character.isWhitespace(c) ? "" : c) +  parts[0] + domain);
67                System.out.println(parts[1] + date_data[2] + (Character.isWhitespace(c) ? "" : c) +  parts[0] + date_data[0] + date_data[1] + domain);
68                counter += 14;
69            }
70        }
71        System.out.println("Total Generated Email IDs:- " + counter);
72    }
73}