Write a decision statement to determine if an object should be downcast.
What will be an ideal response?
```
MyObject mo = new MyObject();
if(someObject instance of MyObject)
{
mo = (MyObject) someObject;
System.out.println("mo was changed to " + someObject);
}
else
System.out.print("mo was not changed.");
```
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To add a circle object into a pane, use _________.
a. pane.add(circle); b. pane.addAll(circle); c. pane.getChildren().add(circle); d. pane.getChildren().addAll(circle);
Match each item with a statement below.
A. a communications technology that allows voice and multimedia communication sessions over IP networks (e.g., the Internet or an intranet) B. a way of describing protocols and priorities applied to a packet on traversing a router "hop" C. the field that defines where a fragment should be placed when the entire data set is reassembled D. the longest period of time a datagram may exist E. a method of allowing IPv6 network nodes to communicate with each other over an IPv4 network by special encapsulation of IPv6 packets F. a definition of priority for an IP packet G. a technique used by IPv6 nodes to determine the size of packets that can be transmitted along a proposed network path from a source to a network address H. a specification for allowing very large (beyond 4-gigabyte) packets to be transported using IPv6 I. an indication of the remaining distance that a packet can travel
In a do...while loop, you need to include code that changes the conditional expression.
Answer the following statement true (T) or false (F)
Asynchronous update systems for updating replicated database might result in inconsistent databases. Explain why.
What will be an ideal response?