If you attempt to perform an operation with a null reference variable __________.
a. the resulting operation will always be zero
b. the results will be unpredictable
c. the program will terminate
d. Java will create an object to reference the variable
c. the program will terminate
You might also like to view...
Consider the abstract superclass below:
``` public abstract class Foo { private int a; public int b; public Foo(int aVal, int bVal) { a = aVal; b = bVal; } public abstract int calculate(); } ``` Any concrete subclass that extends class Foo: a. Must implement a method called calculate. b. Will not be able to access the instance variable a. c. Neither (a) nor (b). d. Both (a) and (b).
Disk access is much slower than RAM (random access memory).
Answer the following statement true (T) or false (F)
Identify the letter of the choice that best matches the tab or button clicked with what you will see.
A. Similar to Normal view, except with blue lines indicating page breaks B. Worksheet, title bar, sheet tabs, and scroll bars only C. Worksheet with headers, footers, or some graphics D. Saved views E. Worksheet without headers, footers, or some graphics
If the array 6, 2, 7, 13, 5, 4 is added to a stack, in the order given, which number will be the first number to be removed from the stack?
a. 6 b. 2 c. 5 d. 4