7 - Object Oriented Design

Question 1

All parameters are passed

Answer 1

by value.

Question 2

When we pass an object to a method we are actually passing

Answer 2

a reference to that object. They become aliases of each other.

Question 3

Method overloading

Answer 3

using the same method name with different parameter lists

Question 4

method’s signature

Answer 4

A methods name, along with the number, type, and order of its parameter

Question 5

The compilers uses the method signature to

Answer 5

bind a method invocation to the appropriate definition.

Question 6

A good test

Answer 6

is one that uncovers an error.

Question 7

Regression testing

Answer 7

is a type of software testing to confirm that a recent program or code change has not adversely affected existing features.

Question 8

Defect testing

Answer 8

testing to find errors

Question 9

test case and test suites

Answer 9

A test case consists of a set of inputs, user actions, or other initial conditions, along with the expected output. (Test suites are series of these tests)

Question 10

black box testing

Answer 10

the inputs are from the user and it produces the correct output. No regard for the internal workings inside the method.

-done through equivalence category – collection of inputs that are expected to produce similar outputs.

Question 11

White box testing

Answer 11

aka glass box testing exercises the internal structure and implementation of a method. Done through statement coverage. It tests every path the code goes.