How to Delete Contact in Samsung Galaxy J2(SM-J200G)?

Deleting contacts allow you to remove quickly one or more contacts.  

Navigate to Contacts → MORE → Delete → Select Contact → DELETE 

Pictorial representation of the above settings are as follows:  

a). Tap on Contacts icon from the Home screen.

b). Tap on More.

c). Select and tap on Delete.

d). Select the Contact by marking the checkbox.

e). Tap on Delete.

f). Tap on Delete.

Selected Contact will be deleted.