For Example 01:
No, the won’t get the email. You need to have the campaign created first before adding the contact. If you have the contact already, that won’t get any campaign created later.
For Example 2:
Same as the 1, Contacts need to be created later after the campaign created.
‘Pause’ explains this actually. It should not stop. If it doesn’t, then there might be something wrong which we need to figure out.