safe « cast « Java Data Type Q&A

1. Java: Type safety - unchecked cast    stackoverflow.com

Here is my code:

Object[] data = GeneComparison.readData(files);
MyGenome genome = (MyGenome) data[0];
LinkedList<Species> breeds = (LinkedList<Species>) data[1];

Type safety: Unchecked cast from Object to LinkedList<Species>

2. Type safety: Unchecked cast from Object    stackoverflow.com

I try to cast an object to my Action class, but it results in a warning:

Type safety: Unchecked cast from Object to Action<ClientInterface>

Action<ClientInterface> action = null;
try {
 Object o = c.newInstance();
 ...

3. Type safety: Unchecked cast from Object to List    coderanch.com

Can someone help? When I changed my code from using arrays final Offer[] daoOffers = (Offer[])daoManager.executeAndClose(new DAOCommand() { public Object execute (DAOManager manager) { return manager.getOfferDao().findOffersByCampaign(daoCampaign); } }); to final List daoOffers = (List)daoManager.executeAndClose(new DAOCommand() { public Object execute (DAOManager manager) { return manager.getOfferDao().findOffersByCampaign(daoCampaign); } }); I get the following warning message : Type safety: Unchecked cast from Object to List ...

4. Safe casting?    forums.oracle.com