CLR is a rich type system built into the CTS which Implements various types (int, float, string, …)
True
False
Base Class Library is set of basic classes: Collections, I/O, Networking, Security, etc.
ADO.NET provides .NET applications with access to relational databases
Which statement is true about a method?
A method is an implementation of an abstraction
A method is an attribute defining the property of a particular abstraction
A method is an operation defining the behavior for a particular abstraction
A method is a blueprint for making operations
How do objects pass messages in Java?
They pass messages by modifying each other's fields
They pass messages by calling each other's instance methods
They pass messages by modifying the static variables of each other's classes
They pass messages by calling static methods of each other's classes
Which of the following is not a legal identifier?
a2z
52pickup
_class
total#
Which statement is true?
new and delete are keywords in the Java language
try, catch, and thrown are keywords in the Java language
return, goto, and default are keywords in the Java language
for, while, and next are keywords in the Java language
Which of the following primitive data types are integer types?
Type boolean
Type float
Type byte
Type double
Which of the following lines are not valid declarations?
char a = '\u0061';
char 'a' = 'a';
char \u0061 = 'a';
ch\u0061r a = 'a';
Which of the following expressions evaluates to true?
(false | true)
(null != null)
(4 <= 4)
(true & false)