I have two csv files having 3 columns i have to read this and compare this using hashmap() multiple hashmap) please help me with this code : I have two csv files having 3 columns i have to read this and compare this using hashmap() multiple hashmap) please help me with this code

Name,Value, Address 
aaa,1,sdasdasd
bbb,2,sadasdasd
ccc,3,dsadasds