HashMap Java

Question

how to add multiple values to single key in Java and print all the values with single key?

Answer 1

Ayoub Bentameur

Make an arraylist. Store all values in that array and put the array in HashMap.

Here is the best example to learn how to make HashMap with different objects.

https://code.sololearn.com/csCtb155654V/?ref=app
https://code.sololearn.com/cOOk0iyMrHNd/?ref=app