What data dictionary tables/views are available to get information about named blocks? Give information stored by those views/tables.
What will be an ideal response?
There are a few useful data dictionary views to get information about stored PL/SQL
blocks:
USER_PROCEDURES (for named blocks)
USER_TRIGGERS (for triggers only)
USER_SOURCE (for all source codes)
USER_OBJECTS (for any object)
USER_ERRORS (for current errors).
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An async method can perform other statements between those that launch an asynchronous Task and await the Task’s results. In such as case, the method continues executing those statements after launching the asynchronous Task until it reaches ________.
a) the await expression b) the return statement c) the Task return d) the async return
What is the value of times displayed?
``` public class Test { public static void main(String[] args) { Count myCount = new Count(); int times = 0; for (int i=0; i<100; i++) increment(myCount, times); System.out.println( "myCount.count = " + myCount.count); System.out.println("times = "+ times); } public static void increment(Count c, int times) { c.count++; times++; } } class Count { int count; Count(int c) { count = c; } Count() { count = 1; } }``` a. 101 b. 100 c. 99 d. 98 e. 0
Answer each of the following questions.
a) What does it mean to choose numbers “at random?” b) Why is the Math.random function useful for simulating games of chance? c) Why is it often necessary to scale and/or shift the values produced by Math.random? d) Why is computerized simulation of real-world situations a useful technique?
3G, 4G, and LTE are all terms that refer to mobile Internet connectivity.
Answer the following statement true (T) or false (F)