Redefine the Task Bag interface from Exercise 8.1 in IDL so that it makes use of a struct to represent a Pair, which consists of a Key and a Value. Note that there is no need to use a typedef to define a struct.
What will be an ideal response?
```
typedef string Key;
typedef sequence
struct Pair { Key key; Value value;
};
interface TaskBag {
readonly attribute int numberOfTasks;
exception TaskBagException { int no; string reason; };
void pairOut (in Pair) raises (TaskBagException);
// pairIn and readPair might use the pair, or could be left unchanged
};
```
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Which of the following statements about critical sections is false?
a) Only one thread at a time can execute the instructions in its critical section for a particular resource. b) If one thread is already in its critical section, another thread must wait for the executing thread to exit its critical section before continuing. c) Once a thread has exited its critical section, a waiting thread may enter its critical section. d) All threads must wait whenever any critical section is occupied.
The Group, Sort, and Total pane appears when the Group & Sort button is selected
Indicate whether the statement is true or false
Both program instructions and the data to be processed must be stored in RAM.
Answer the following statement true (T) or false (F)
The MaskFull property will return a value of ____ if the mask area of a masked textbox is not completely filled.
A. True B. False C. 0 D. -1