Fields that contain numbers that are not used in calculations should be set to ________
A) auto-number B) number C) short text D) long text
C
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Suppose we have an integer data member in a class called errorCode. There is also a function of a class called getError. Since the client cannot understand what the integer value means in the errorCode, the getError function returns a string that gives the meaning of the current integer value. This is an example of:
A. a const reference function B. a const function C. data translation D. poor programming practice
What do you expect the outcome to be when RunThread3 is executed? Compile and run i
Consider the following Java classes: ``` import SomeThread3; public class RunThreads3 { public static void main (String[] args) { int originalThreadCount = Thread.activeCount( ); for (int i=0; i<10; i++) { Thread p = new Thread(new SomeThread3()); p.start(); System.out.println("thread count=" +Thread.activeCount( )); } while (Thread.activeCount() > originalThreadCount ){ // loop until all child threads have exited. } System.out.println("finally, Count = " + SomeThread3.count); } }//end class RunThreads3 class SomeThread3 implements Runnable { static int count=0; SomeThread3() { super(); } public void run() { update(); } static public synchronized void update( ){ int myCount = count; int second = (int)(Math.random( ) * 500); try { Thread.sleep(second); } catch (InterruptedException e) { } myCount++; count = myCount; System.out.println("count="+count+ "; thread count=" + Thread.activeCount( )); } } //end class SomeThread3 ```
Which of the following protocols is used for resolving host names to IP addresses?
A. IPv6 B. IPv4 C. DNS D. TCP/IP
The Notification area is a convenient place to display toolbars to shortcuts to Web resources
Indicate whether the statement is true or false