Please write the Java code for this question. Thank You

All email addresses must be validated according to the following rules: o The characters @ and . must both be in the email address

o Only one @ is permitted in the email address

o The last occurrence of . must follow the @ in the email address

o There must be at least 2 characters in the email address after the last .

o The email address must begin with a letter or digit

o The email address must be limited to the following characters: letters, digits, _, @, and .