【单选题】Given: 1. public class X i m pl e m ents Runnable { 2. private int x; 3. private int y; 4. 5. public static void m ain(String [] args) { 6. X that = new X(); 7. (new Thread( t h at )). s tart(); 8. (n...
A.
Co m pilation f ails.
B.
The program prints pairs of values for x and y that m i ght not always be the sa m e on the sa m e line (for exa m ple, "x = 2, y = 1").
C.
The program prints pairs of values for x and y that are always the sa m e on the sa m e line (for example, "x = 1, y = 1").In addition, each val u e appears only once ( f or e x a m ple, "x = 1, y = 1" followed by "x = 2, y = 2").The thread n a m e at the start of the li n e shows that both threa d s are e x ecuting concurrently.
D.
The program prints pairs of values for x and y that are always the sa m e on the sa m e line (for example, "x = 1, y = 1").In addition, each val u e appears only once ( f or e x a m ple, "x = 1, y = 1" followed by "x = 2, y = 2").The thread n a m e at the start of the li n e s hows that only a single thread is actually executing.
【单选题】Traffic jam and cities, it seems, go hand in hand. Everyone complains about being stuck in traffic; but, like the weather, no one seems to do anything about it. In particular, traffic engineers, trans...
A.
In cities, traffic jam is unavoidable.
B.
Traffic jam is both a sign of failure and a sign of success.
C.
Traffic jam is the consequence of successful cities.
D.
For a successful city, traffic jam is not unpreventable.
【简答题】阅读理解。 Do you know what Fear and Faith have in common? Fear believes in a negative future. Faith believes in a positive future. Both believe in something that has not yet happened. So I ask you, if nei...
【单选题】Which one of the following statements about the use of a continuous inventory system is INCORRECT?
A.
In a retail organisation, a continuous inventory system can be used to keep track of the quantity of each stock item available in its distribution centres
B.
Under continuous inventory, the cost of each receipt of inventory and the cost of each issue from inventory is recorded individually
C.
A continuous inventory system removes the need for periodic physical inventory counts
D.
Both the FIFO and average cost (AVCO) methods of pricing inventory may be used within a continuous inventory system