How to test voltage regulator 7805 7812 7806 7809 - 230v ac with 12v 3amps transformer ?

The 7800 series voltage regulators including the 7805,to7812, etc are very easy to use for a variety of linear power supply circuits .For many years the 7800 series linear voltage regulators, including the more popular versions of this series like the 7805, 7812, etc, were the most popular voltage regulator chips available and they were used in many electronic circuits, large and small.
REQUIRED ITEM ;-
1.12V 3 AMPS TRANSFORMER ;- 1
2 . 7805,7806,7807,7809, 7812
Voltage Regulators
3 18 SWG PLAINE COPPER WIRE
4. 230V AC INPUT WIRE
5 .DC OUTPUT TEST WIRE