CS508 Quiz 3 by VU Topper RM

A type conversion that occurs without any special directive from the programmer is known as: A. Strict conversion B. Explicit conversion

C. Implicit conversion Page 98

D. Imperative conversion

Which of the following are the types of constants in PROLOG?

1. short and char
2. float and numbers
3. single and decimal
4. atoms and numbers Google

Correct answer: atoms and numbers Google

The super class of all exception classes in Java is: A.

Throwable Google

B. Error C. System D. Exception

In java, explicit conversion of primitive type is done by _________ A. boxing B.

casting

C. overloading D. aliasing

When a class inherits from another class in Java then: A.

all fields and methods are inherited

B. only public fields and methods are inherited C. only private fields and methods are inherited D. only static fields and methods are inherited

A variable name in PROLOG starts with _________ A. Number B. Capital letter C.

Small letter

D. $ sign

A main() function in a JAVA program: A.

must be inside a class

B. returns more than one value C. is always declared as a global function D. cannot be inside a class

_______ cannot be converted to other types in Java. A. Int B. Char C. Double

D. Booleans Page 98

The keyword that is used to generate exception explicitly in Java is: A. Try B. Catch

C. Throw Google

D. Finally

Default access (if no other access is specified) for classes and fields in Java is: A. Public B. Private

C. Package Google

D. Protected

The basic tool for writing programs in PROLOG is:

A. Recursion Page 85

B. Inheritance C. Polymorphism D. Object-Orientation

How many kinds of “type conversion” of primitive types are there in Java?

A.

2 Page 175

B. C. D.

Expert system___________ provide a structure to design expert system. A. Mechanism B.

Shells

C. Lists D. Techniques

Which of the following primitive type is available in JAVA? A. typedef B. struct C.

byte

D. enum

which of given is the magical thing in Prolog? A. Program partition B. List Processing C. Predicate D.

Inference engine

The correct way to write comments in a PROLOG program is: A.

% This is another comment

B. /* This is also a comment */ C. # Consider this a comment D. // this is a comment