CS425 TEST

1. Creating an object of a given class is called:

 A) declaration.

 B) referencing.

 C) instantiation.

 D) implementation.                                                             

 E) definition.

2. In Java, an array of integers contains _____, while an array of objects contains _____.

 A) values; values

 B) values; references

 C) references; values

 D) references; references

3. Analyze the following Java main program: public static void main(String[] args) { print(sort(create())); } It is an example of _____ programming.

 A) imperative

 B) procedural

 C) functional

 D) object-oriented

 E) extreme

4. A _____ is a set of values and a collection of operations on those values.

 A) data type

 B) abstract data type

 C) data structure

 D) none of the above

5. Dynamic programming means:

 A) deriving data types at runtime based on input data.

 B) providing overloaded methods to change the implementation based on data types.

 C) computing current values based on previous values in a recursion.

 D) using recursion to allow an array or linked list to grow or shrink.

 E) none of the above.

6. The root level of a tree is designated as:

 A) the parent level.

 B) the primary level.

 C) level 1.

 D) level 0

 E) level N-1.

7. An array of linked lists would be considered:

 A) a compound structure.

 B) an abstract data structure.

 C) a data type.

 D) a and b.

 E) a and c.

 F) b and c

8. In _____, references are known as pointers and are commonly used.

 A) C and Java

 B) C but not in Java

 C) Java but not in C

 D) none of the above

9. Convert the following expression to postfix. ( 5 * ( ( 9 * 8 ) + ( 7 * ( 4 + 6 ) ) ) )

 A) *5+*98*7+46

 B) 598*746+*+*

 C) *5*98+7*46+