Programs that operate in a GUI environment must be:

Answer the following statements true (T) or false (F)

1. Given the two C++ array declarations: 2. In the sequential search algorithm, items are examined alternately, odd then evens, in order to find whether the target value is in the array (and if the target is present, to the index of the target.) 3. In a sorting an array, the items in the array are rearranged so that for all j and k, if j < k, then array[j]<=array[k] 4.In the definition, double d[10] = {0.0}; only d[0] is initialized to zero, the rest are uninitialized, just like x in the definition double x;

Consider the class Person with an additional attribute, age. Write an OQL query that, for each age, produces a count of people of this age. Use two methods: with the GROUP BY clause and without it (using a nested query in SELECT). Describe a plausible query evaluation strategy in each case and explain which query will run faster.

What will be an ideal response?