【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 unprable.
【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...