Chapter 7

Question 1

All the data that stored in __ must be of the same type

Answer 1

ARRAY

Question 2

In java, an array is a special kind of ____ , but its more useful to think of it as a ____ of variables of the same type

Answer 2

object, collection

Question 3

an array is consisting of a collection of seven variables of type double can be created as follows:

Answer 3

double[] temperature = new double[7];

Question 4

Variables like temperature[0] and temperature[1] are called:

Answer 4

array elements

Question 5

Note that the numbering starts at ___

Answer 5

0

Question 6

True or False, Each of these seven variables can be used just like any other variable of type double

Answer 6

temperature[3] = 32; 
temperature[6] = temperature[3] + 5; System.out.println(temperature[6]);

Question 7

You create an array in the same way that you would create an object of a class type using the operation new . When creating an array of elements of type Base, the syntax would be:

Answer 7

Base[] Array_Name = new Base[Length];

Question 8

The following creates an array named pressure that is equivalent to 100 variables of type int:

Answer 8

int[] pressure = new int[100];

Question 9

An array could be broken down into 2 steps:

Answer 9

int[] pressure;

pressure = new int[100];

Question 10

True or false, this simple array pressure has length of 100, which means it has indexed variables pressure[0] to [99]

Answer 10

True

Question 11

An array has only one public instance variable, namely the variable__

Answer 11

length

Question 12

u can use the __ operator to give an array more than one name

Answer 12

assignment

Question 13

______ allows you to define a very general class and then later define more specialized classes that add some new details to the existing general class definition.

Answer 13

Inheritance

Question 14

True or False, A derived class is also called a subclass, a child class, and a descendant class

Answer 14

True

Question 15

if the method in the derived class were to have the same name and the same return type but a different number of parameters or a parameter of a different type from the method in the base class, the method names would be _____.

Answer 15

overloaded