There are bills and coins of Japan. The monetary of Japan is " Yen" . There are 5 type of coins(1yen,5yen,10yen,50yen,100yen,500yen) and 4 type of bills(1000yen,2000yen,5000yen,10000yen). 
 In 1CAD=about 100yen. Almost Japanese people usually use cash all time.