A.Date d1 = Date.Today(), d2 = Date.ValueOf('2018-01-01');

B.Map<Id,Leas> lmap = new Map<Id,Lead>([Select ID from Lead Limit 8]);

C.Integer a=5, b=6, c, d = 7;

D.List<string> s = List<string>{'a','b','c');

A.Use Test.loadDataO < > and reference a CSV file in a static resource.

B.Use Anonymous Apex to create the required data.

C.Use SOQL to query the org for the required data.

D.Use Test.loadDataO and reference a JSON file in Documents.

A.3

B.4

C.1

D.2

A.Developer Console

B.Setup Menu

C.ToolingAPI

D.Metadata API

E.Bulk API