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This module contains review questions and answers keyed to the module titled Java3002: Creating and Manipulating Turtles and Pictures in a World Object.

Revised: Sat Apr 02 14:17:44 CDT 2016

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Table of contents

Preface

This module contains review questions and answers keyed to the module titled Java3002: Creating and Manipulating Turtles and Pictures in a World Object .

The questions and the answers are connected by hyperlinks to make it easy for you to navigate from the question to the answer and back again.

Questions

Question 1 .

True or False? The import directive at the very beginning of Listing 1 is a directive to the compiler and the virtual machine notifying them that the class named Color can be found in the package named java.awt .

Listing 1 . Question 1.
import java.awt.Color; public class Prob01{//Driver classpublic static void main(String[] args){//Instantiate an object and call its method named run. Prob01Runner obj = new Prob01Runner();obj.run(); //Get information from the object and display it on// the command-line screen. System.out.println(obj.getMars());System.out.println(obj.getJoe()); System.out.println(obj.getSue());}//end main }//end class Prob01

Answer 1

Question 2

True or False? The class named Color imported in Listing 1 is a member of Ericson's multimedia library.

Answer 2

Question 3

True or False? A package is the specification of a particular folder on the disk relative to a standard root folder.

Answer 3

Question 4

True or False? Every Java application and every Java applet must include the definition of a class that contains the definition of a method named main .

Answer 4

Question 5

True or False? The name of the class containing the main method is also the name of the application insofar as being able to compile andexecute the application is concerned.

Answer 5

Question 6

True or False? The name of the application shown in Listing 1 is Proj01 .

Answer 6

Question 7

True or False? The name of the source code file containing the class definition shown in Listing 1 must be Prob01.java in order for the application to compile and run as an application named Prob01 .

Answer 7

Question 8

True or False? In its simplest form, an application can be compiled by executing the command shown in Listing 2 at the command prompt where Prob01.java is the name of the file containing the main method.

Listing 2 . Question 8.
javac Prob01

Answer 8

Question 9

True or False? It is often necessary to specify the path to various library files on the command line when compiling an application. In that case,the simplest form given in Listing 3 is not sufficient.

Answer 9

Question 10

True or False? When a Java application is successfully compiled, it will produce one or more output files with an extension of .class .

Questions & Answers

the diagram of the digestive system
Assiatu Reply
How does twins formed
William Reply
They formed in two ways first when one sperm and one egg are splited by mitosis or two sperm and two eggs join together
Oluwatobi
what is genetics
Josephine Reply
Genetics is the study of heredity
Misack
how does twins formed?
Misack
What is manual
Hassan Reply
discuss biological phenomenon and provide pieces of evidence to show that it was responsible for the formation of eukaryotic organelles
Joseph Reply
what is biology
Yousuf Reply
the study of living organisms and their interactions with one another and their environments
AI-Robot
the study of living organisms and their interactions with one another and their environment.
Wine
discuss the biological phenomenon and provide pieces of evidence to show that it was responsible for the formation of eukaryotic organelles in an essay form
Joseph Reply
what is the blood cells
Shaker Reply
list any five characteristics of the blood cells
Shaker
lack electricity and its more savely than electronic microscope because its naturally by using of light
Abdullahi Reply
advantage of electronic microscope is easily and clearly while disadvantage is dangerous because its electronic. advantage of light microscope is savely and naturally by sun while disadvantage is not easily,means its not sharp and not clear
Abdullahi
cell theory state that every organisms composed of one or more cell,cell is the basic unit of life
Abdullahi
is like gone fail us
DENG
cells is the basic structure and functions of all living things
Ramadan
What is classification
ISCONT Reply
is organisms that are similar into groups called tara
Yamosa
in what situation (s) would be the use of a scanning electron microscope be ideal and why?
Kenna Reply
A scanning electron microscope (SEM) is ideal for situations requiring high-resolution imaging of surfaces. It is commonly used in materials science, biology, and geology to examine the topography and composition of samples at a nanoscale level. SEM is particularly useful for studying fine details,
Hilary
cell is the building block of life.
Condoleezza Reply
what is cell divisoin?
Aron Reply
Diversity of living thing
ISCONT
what is cell division
Aron Reply
Cell division is the process by which a single cell divides into two or more daughter cells. It is a fundamental process in all living organisms and is essential for growth, development, and reproduction. Cell division can occur through either mitosis or meiosis.
AI-Robot
What is life?
Allison Reply
life is defined as any system capable of performing functions such as eating, metabolizing,excreting,breathing,moving,Growing,reproducing,and responding to external stimuli.
Mohamed
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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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