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I still always incapable to to improve it or understand your ideas


return (id == ((Employee) obj1).getId() || name.equals(((Employee) obj1).getName()))
I thought it is enough since whatever if...

Now what the next, any advanced help??

I put it


@Override
public boolean equals(Object obj1){

if(!(obj1 instanceof Employee))
return false;

return (id == ((Employee) obj1).getId() ||...

and how you suggest to use equal() method to give me the desired result, what should i add in my equal and Hashcode methods?

return (id == ((Employee) obj1).getId() || name.equals(((Employee) obj1).getName()));

means if, either id or name are duplicated in any object then don't add them in the HashSet

On this basis,...

ok for example i want to make compare as the following: if the ID or name is Duplicate in any object dann must not be added


@Override
public boolean equals(Object obj1){

...

i know that i must do so, but i don't know how

i added this part in Employee.java Class and it works


@Override
public boolean equals(Object obj){

if(!(obj instanceof Employee))
return false;
...

Hello;

as known HashSet store no duplicated values Unlike ArrayList, anyway i tried to make example to store Objects in HashSet and the result show it take Duplicated values


import...