warn « cast « Java Data Type Q&A

1. How can i remove an unckecked cast warning in java? stackoverflow.com

i have this piece of code:

import java.net.MalformedURLException;
import java.rmi.Naming;
import java.rmi.NotBoundException;
import java.rmi.Remote;
import java.rmi.RemoteException;

public class ClientLookup<T extends Remote> {
 private T sharedObject;

 public void lookup(String adress) throws MalformedURLException, RemoteException, NotBoundException {
   sharedObject ...

2. Warning - Cast is checking against the erased type coderanch.com

3. Unchecked cast warning coderanch.com

I am trying to cast from a Collection of AObject's to ArrayList, but I get a warning. "Type safety: Unchecked cast from Collection to ArrayList. What I have read about this is that the JVM can't be sure that the Collection contains AObject's and thus give this warning. However. I have first coded my application in IBM Rational Application Developer 7(Which ...

4. how to get rid of warning: [unchecked] unchecked cast coderanch.com

So here is my current gripe: Generics provide type-safe collections, as a by-product reduce the need (and cost?) of casting. The emptyList() method uses the static EMPTY_LIST instance, so all good there, but it just casts it to the required type. It just feels like the old "we're OO, but we we also use primitives if we feel like it". We ...

5. Problems with some warning - incorrect cast forums.oracle.com

I work with JDK 1.5. I would solve some warning with the java cast, example: 1) HashMap hmRow = (HashMap)it.next(); hmRow.put("keyOrder", listOrdenedColumn); /* WARNING HERE (*) */ (*) Type safety: The method put(Object, Object) belongs to the raw type HashMap. References to generic type HashMap should be parameterized HashMap hmRow = (HashMap)it.next(); /* WARNING HERE (*) */ hmRow.put("keyOrder", listOrdenedColumn); ...

6. Unchecked cast warning?? forums.oracle.com

When I compile my program, I get the following warning message: found : java.lang.Object required: java.util.ArrayList loadedKeys = (ArrayList) oKeys; I have an ArrayList in a Object variable (oKeys), and I need to cast it back to an ArrayList (loadedKeys). What is the best way to do this without warnings? Thank You!