When you create a class and use the implements clause to implement an interface but fail to code one of the interface's methods, the compiler error generated indicates that you must declare your class to be ____.
A. abstract
B. static
C. public
D. new
Answer: A
You might also like to view...
To avoid an infinite loop, you must ensure that a while statement eventually terminates.
Answer the following statement true (T) or false (F)
What is output by the following Java code segment?
``` if (temp > 90) { System.out.println("This porridge is too hot."); } if (temp < 70) { System.out.println("This porridge is too cold."); } if (temp == 80) { System.out.println("This porridge is just right!"); } ``` a. This porridge is too hot. b. This porridge is too cold. c. This porridge is just right! d. None of the above.
The heads of a hard disk drive touch the surface of the platter to read or write the data
Indicate whether the statement is true or false
Filters that use a predicate on an aggregate function must be placed in what clause?
a. WHERE b. GROUP BY c. HAVING d. FROM