How to add element into ArrayList in HashMap

Question

How to add element into ArrayList in HashMap?

    HashMap> Items = new HashMap>();
         


        

Answer 1

#i'm also maintaining insertion order here
Map d=new LinkedHashMap<>();
for( int i=0; i<2; i++)
{
int id=s.nextInt();
ArrayList al=new ArrayList<>();
al.add(s.next());  //name
al.add(s.next());  //category
al.add(s.nextInt()); //fee
d.put(id, al);
 }