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Answer 7

Question 8

True or False? The length or size of the array is established when the array object is instantiated and cannot be changedthereafter.

Answer 8

Question 9

True or False? Every array object contains a special property named size that contains the number of elements in an array. It is always possible to determine the number of elements in an array object at runtime byaccessing the value of the size property for the array object.

Answer 9

Question 10

True or False? There is a special syntax that allows for the instantiation of an array object and the initialization of the array elements in a singlestatement.

Answer 10

Question 11

True or False? An anonymous class is an object whose reference is not saved in a named reference variable.

Answer 11

Question 12

True or False? Every class that doesn't explicitly extend another class automatically extends the class named Class .

Answer 12

Question 13

True or False? The code shown in Listing 3 produces the output shown in Figure 3 where the numeric values are random and vary from one run to the next.

Listing 3 . Question 13.
/*File Java3010rb Copyright 2013, R.G.Baldwin Rev 02/14/13*********************************************************/ import java.util.*;class Java3010rb{ public static void main(String[]args){ Random generator = new Random(new Date().getTime());int randomNumber = (byte)generator.nextInt(); Object[]objRef = {new Java3010rbMyClassA(randomNumber)}; System.out.println(new Java3010rbMyClassB().getDataFromObj(objRef[0]));System.out.println(randomNumber); }//end main}//end class Java3010rb //======================================================//class Java3010rbMyClassA extends Java3010rb{ private int data;public Java3010rbMyClassA(int inData){ System.out.println("Java3010rb");System.out.println("Dick"); data = inData;}//end constructor public int getData(){return data; }//end getData()}//end class Java3010rbMyClassA //======================================================//class Java3010rbMyClassB{ Java3010rbMyClassB(){System.out.println("Baldwin"); }//end constructorpublic int getDataFromObj(Object refToObj){ return refToObj.getData();}//end getDataFromObj() }//end class Java3010rbMyClassB
Figure 3 . Question 13.
Java3010rb DickBaldwin 120120

Answer 13

Figures

Listings

What is the meaning of the following two images?

This image was inserted here simply to insert some space between the questions and the answers to keep them from being visible on the screen at thesame time.

The image is also an example of the kinds of things that we do in my course titled ITSE 2321, Object-Oriented Programming.

Spacer image of a rabbit and a penguin.

This image was also inserted for the purpose of inserting space between the questions and the answers.

Spacer image of a penguin in the snow in front of some houses.

Answers

Answer 13

False: The code shown in Listing 3 produces the compiler error shown in Figure 4 . A cast is required to fix the problem.

Questions & Answers

what is mutation
Janga Reply
what is a cell
Sifune Reply
how is urine form
Sifune
what is antagonism?
mahase Reply
classification of plants, gymnosperm features.
Linsy Reply
what is the features of gymnosperm
Linsy
how many types of solid did we have
Samuel Reply
what is an ionic bond
Samuel
What is Atoms
Daprince Reply
what is fallopian tube
Merolyn
what is bladder
Merolyn
what's bulbourethral gland
Eduek Reply
urine is formed in the nephron of the renal medulla in the kidney. It starts from filtration, then selective reabsorption and finally secretion
onuoha Reply
State the evolution relation and relevance between endoplasmic reticulum and cytoskeleton as it relates to cell.
Jeremiah
what is heart
Konadu Reply
how is urine formed in human
Konadu
how is urine formed in human
Rahma
what is the diference between a cavity and a canal
Pelagie Reply
what is the causative agent of malaria
Diamond
malaria is caused by an insect called mosquito.
Naomi
Malaria is cause by female anopheles mosquito
Isaac
Malaria is caused by plasmodium Female anopheles mosquitoe is d carrier
Olalekan
a canal is more needed in a root but a cavity is a bad effect
Commander
what are pathogens
Don Reply
In biology, a pathogen (Greek: πάθος pathos "suffering", "passion" and -γενής -genēs "producer of") in the oldest and broadest sense, is anything that can produce disease. A pathogen may also be referred to as an infectious agent, or simply a germ. The term pathogen came into use in the 1880s.[1][2
Zainab
A virus
Commander
Definition of respiration
Muhsin Reply
respiration is the process in which we breath in oxygen and breath out carbon dioxide
Achor
how are lungs work
Commander
where does digestion begins
Achiri Reply
in the mouth
EZEKIEL
what are the functions of follicle stimulating harmones?
Rashima Reply
stimulates the follicle to release the mature ovum into the oviduct
Davonte
what are the functions of Endocrine and pituitary gland
Chinaza
endocrine secrete hormone and regulate body process
Achor
while pituitary gland is an example of endocrine system and it's found in the Brain
Achor
what's biology?
Egbodo Reply
Biology is the study of living organisms, divided into many specialized field that cover their morphology, physiology,anatomy, behaviour,origin and distribution.
Lisah
biology is the study of life.
Alfreda
Biology is the study of how living organisms live and survive in a specific environment
Sifune
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Source:  OpenStax, Object-oriented programming (oop) with java. OpenStax CNX. Jun 29, 2016 Download for free at https://legacy.cnx.org/content/col11441/1.201
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