Exam 5: Object-Oriented Programming

C++ permits an object to be allocated either directly on the stack or as a pointer.

In Java,scalar data types are also called ____ types.

In C++,objects can only be allocated on the heap.

Applications normally create and manipulate instances of ____ classes in Smalltalk.

Smalltalk uses value semantics,such that variables refer to an object's value.

Smalltalk and Java require the use of a garbage collector to return inaccessible storage to the heap.

Restricting access to internal details of software components is known as ____.

Abstract classes are often instantiated by the application program.

Java uses ____ to implement method lookup.

Smalltalk provides a small set of binary messages that allow the programmer to write arithmetic and comparison expressions.

In C++,a pure virtual declaration is a function declared with the keyword virtual and ____.

In Smalltalk,the object that receives a message performs its service by invoking an appropriate ____.

Java and Smalltalk both allocate objects directly onto the stack for efficiency.

The first programming language to incorporate the object paradigm in a thorough and consistent way was ____.

Member functions can be implemented outside the declaration of a class in C++ using the ____ operator.

____ can belong to more than one class.

Abstraction is the collection of similar operations from two different components into a new component.

A(n)____ message is sent to a class in Smalltalk.

____ is an important need satisfied by object-oriented programming.

A function is considered to be ____ if a compiler may replace the function call by the actual code for the function.