Program Explanation Program: Filename: CourseGrades.java //Class definition public class CourseGrades { // Constant for the number of grades public final int n_grades = 4; /*Object declaration*/ private GradedActivity[] obj_grades; /*Constructor with no argument*/ public CourseGrades() { /*Assign the value into variable*/ obj_grades = new GradedActivity[n_grades]; } /*Method to set the lab*/ public void setLab(GradedActivity aLab) { /*Assign "aLab" to array*/ obj_grades[0] = aLab; } /*Method to set the details of pass or fail*/ public void setPassFailExam(PassFailExam aPassFailExam) { /*Assign "aPassFailExam" to array*/ obj_grades[1] = aPassFailExam; } /*Method definition to set the object to variable*/ public void setEssay(Essay anEssay) { /*Assign "anEssay" to array*/ obj_grades[2] = anEssay; } /*Method definition to set the object to variable*/ public void setFinalExam(FinalExam aFinalExam) { /*Assign "aFinalExam" to array*/ obj_grades[3] = aFinalExam; } //Method to print the string public String toString() { /*Assign the string with values*/ String str = "Lab Score: " + obj_grades[0].getScore() + "\tGrade: " + obj_grades[0].getGrade() + "\nPass/Fail Exam Score: " + obj_grades[1].getScore() +"\tGrade: " + obj_grades[1].getGrade() +"\nEssay Score: " + obj_grades[2].getScore() +"\tGrade: " + obj_grades[2].getGrade() +"\nFinal Exam Score: " + obj_grades[3].getScore() +"\tGrade: " + obj_grades[3].getGrade(); //Return the string return str; } } Filename: Essay.java //Class definition public class Essay extends GradedActivity { /*Declaration of variables*/ private double grmmer; private double spelling; private double correctLength; private double content; /*Method definition to set the score*/ public void setScore(double gr, double sp, double len, double cnt) { /*Call the appropriate methods*/ setGrammar(gr); setSpelling(sp); setCorrectLength(len); setContent(cnt); //Set the total score super.setScore(grmmer + spelling + correctLength + content); } /*Method definition to set the grammer*/ private void setGrammar(double g) { /*Condition to check values*/ if (g <= 30.0) /*Assign "g" to "grammer"*/ grmmer = g; //Else block else /*Assign "0" to "grammer"*/ grmmer = 0.0; } /*Method definition to set the spelling*/ private void setSpelling(double s) { /*Condition to check values*/ if (s <= 20.0) /*Assign "s" to "spelling"*/ spelling = s; //Else block else /*Assign "0" to "spelling"*/ spelling = 0.0; } /*Method definition to set the correct length*/ private void setCorrectLength(double c) { /*Condition to check values*/ if (c <= 20.0) /*Assign "c" to "correctLength"*/ correctLength = c; //Else block else /*Assign "0" to "correctLength"*/ correctLength = 0.0; } /*Method definition to set the content*/ private void setContent(double c) { /*Condition to check values*/ if (c <= 30) /*Assign "c" to "content"*/ content = c; //Else block else /*Assign "0" to "content"*/ content = 0.0; } /*Method definition to get the grammer*/ public double getGrammar() { //Return the grammer value return grmmer; } /*Method definition to get the spelling*/ public double getSpelling() { //Return the spelling value return spelling; } /*Method definition to get the correct length*/ public double getCorrectLength() { //Return the correctLength value return correctLength; } /*Method definition to get the content*/ public double getContent() { //Return the content value return content; } /*Method definition to get the score*/ public double getScore() { /*Return all the values*/ return grmmer + spelling + correctLength + content; } } Filename: FinalExam.java //Class definition public class FinalExam extends GradedActivity { /*Declaration of variables*/ private int numQuestions; private double pointsEach; private int numMissed; /*Constructor with arguments*/ public FinalExam(int questions, int missed) { //Declaration of variable double nScore; /*Assign values to variables*/ numQuestions = questions; numMissed = missed; /*Calculation of scores*/ pointsEach = 100...

Starting Out with Java: From Control Structures through Objects (7th Edition) (What's New in Computer Science)

7th Edition

ISBN: 9780134802213

Author: Tony Gaddis

Publisher: PEARSON

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2) Assume a local area network has four host computers (h1, h2, h3 & h4) and they are connected to the internet through a NAT router (s1). The host computers use private IP address space: 192.168.2/24. Each host is trying to establish 2 TCP connections to a remote webserver through the NAT router. The IP address of the webserver is: 130.12.11.9. Now do the following: 1 a. Assign IP addresses to the interfaces of the hosts and the router. For the router, assign arbitrary addresses. List these addresses. b. Now create a NAT translation table as taught in the class for all TCP connections. Assign arbitrary port numbers as required.

1) Consider the following network. Host h6 10.3.0.6 Host h5 10.3.0.5 Host h1 10.1.0.1 OpenFlow controller m 2 3 4 Host h4 10.2.0.4 Host h2 10.1.0.2 Host h3 10.2.0.3 The desired forwarding behavior for the datagrams arriving at s2 is as follows: a) any datagrams arriving on input port 1 from hosts h5 or h6 that are destined to hosts h1 or h2 should be forwarded over output port 2; b) any datagrams arriving on input port 2 from hosts h1 or h2 that are destined to hosts h5 or h6 should be forwarded over output port 1; c) any arriving datagrams on input ports 1 or 2 and destined to hosts h3 or h4 should be delivered to the host specified; d) hosts h3 and h4 should be able to send datagrams to each other. Create a flow table for s2 that implement these forwarding behaviors. Your table should have 2 columns one for match and the other for actions, as taught in the class.

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Starting Out with Java: From Control Structures through Objects (7th Edition) (What's New in Computer Science)

Chapter 10.1, Problem 10.1CP Chapter 10.1, Problem 10.2CP Chapter 10.1, Problem 10.3CP Chapter 10.2, Problem 10.4CP Chapter 10.2, Problem 10.5CP Chapter 10.3, Problem 10.6CP Chapter 10.3, Problem 10.7CP Chapter 10.3, Problem 10.8CP Chapter 10.3, Problem 10.9CP Chapter 10.3, Problem 10.10CP

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