Program Explanation Program: File name: “PetRecord.java”: //Define the class "PetRecord" public class PetRecord { //Declare the necessary variables private String name; private int age; private double weight; //Define the method "writeOutput()" public void writeOutput() { //Print the name System.out.println("Name: " + name); //Print the age System.out.println("Age: " + age + " years"); //Print the weight System.out.println("Weight: " + weight + " pounds"); } //Define the parameterized constructor public PetRecord(String initialName, int initialAge, double initialWeight) { //Assign the value name = initialName; //check the condition if ((initialAge < 0) || (initialWeight < 0)) { //True, print the error message System.out.println("Error: Negative age or weight."); //Exit System.exit(0); } //Otherwise else { //initialize the variables age = initialAge; weight = initialWeight; } } //Define the method "set()" public void set(String newName, int newAge, double newWeight) { //Assign the value name = newName; //Check the condition if ((newAge < 0) || (newWeight < 0)) { //True, print the error message System.out.println("Error: Negative age or weight."); //Exit System.exit(0); } //Otherwise else { //Initialize the variables age = newAge; weight = newWeight; } } //Define the parameterized constructor public PetRecord(String initialName) { //Initialize the variables name = initialName; age = 0; weight = 0; } //Define the method "set()" public void set(String newName) { //Assign the value name = newName; } //Define the parameterized constructor public PetRecord(int initialAge) { //Initialize the variables name = "No name yet."; weight = 0; //Check the condition if (initialAge < 0) { //True, print the error message System.out.println("Error: Negative age."); //exit System.exit(0); } //Otherwise else //Initialize the variable age = initialAge; } //Define the method "set()" public void set(int newAge) { //Check the condition if (newAge < 0) { //True, print the error message System.out.println("Error: Negative age."); //exit System.exit(0); } //Otherwise else //Initialize the variable age = newAge; } //Define the parameterized constructor public PetRecord(double initialWeight) { //Initialize the variable name = "No name yet"; age = 0; //Check the condition if (initialWeight < 0) { //Print the error message System.out.println("Error: Negative weight."); //exit System.exit(0); } //Otherwise else //Initialize the variable weight = initialWeight; } //Define the method "set()" public void set(double newWeight) { //Check the condition if (newWeight < 0) { //Print the error message System.out.println("Error: Negative weight."); //exit System.exit(0); } //Otherwise else //Initialize the variable weight = newWeight; } //Define the default constructor public PetRecord() { //Initialize the variables name = "No name yet."; age = 0; weight = 0; } //Define the method "getName()" public String getName() { //Return the name return name; } //Define the method "getAge()" public int getAge() { //Return the age return age; } //Define the method "getWeight()" public double getWeight() { //Return the weight return weight; } } File name: “PetStatistics.java”: //Import necessary header files import java.util.*; //Define the class "PetStatistics" public class PetStatistics { //Define the "main()" function public static void main(String[] args) { //Create object for "Scanner()" Scanner keyboard = new Scanner(System.in); //Declare the variable String petName; int petAge; double petWeight; //Print the statement System.out.println("Enter name of first pet: "); //Get the input from the user petName = keyboard.nextLine(); //Print the new line System.out.println(); //Print the statement System.out.println("Enter age of first pet: "); //Get the input from the user petAge = keyboard.nextInt(); //Print the new line System.out.println(); //Print the statement System.out.println("Enter weight of first pet: "); //Get the input from the user petWeight = keyboard.nextDouble(); //Object creation PetRecord pet1 = new PetRecord(petName, petAge, petWeight); //Print the new line System.out.println(); //Print the statement System.out.println("Verify correct information:"); //Call the method "writeOutput()" pet1.writeOutput(); //Print the new line System.out.println(); //Create object for "Scanner()" keyboard = new Scanner(System.in); //Print the statement System.out.println("Enter name of second pet: "); //Get the input from the user petName = keyboard.nextLine(); //Print the new line System.out.println(); //Print the statement System.out.println("Enter age of second pet: "); //Get the input from the user petAge = keyboard.nextInt(); //Print the new line System.out.println(); //Print the statement System.out.println("Enter weight of second pet: "); //Get the input from the user petWeight = keyboard.nextDouble(); //Object creation PetRecord pet2 = new PetRecord(petName, petAge, petWeight); //Print the new linw System.out.println(); //Print the statement System.out.println("Verify correct information:"); //Call the method "writeOutput()" pet2.writeOutput(); //Print the new line System.out.println(); //Create object for "Scanner()" keyboard = new Scanner(System.in); //Print the statement System.out.println("Enter name of third pet: "); //Get the input from the user petName = keyboard.nextLine(); //Print the new line System.out.println(); //Print the statement System.out.println("Enter age of third pet: "); //Get the input from the user petAge = keyboard.nextInt(); //Print the new line System.out.println(); //Print the statement System.out.println("Enter weight of third pet: "); //Get the input from the user petWeight = keyboard.nextDouble(); //Object creation PetRecord pet3 = new PetRecord(petName, petAge, petWeight); //Print the new line System.out.println(); //Print the statement System.out.println("Verify correct information:"); //Call the method "writeOutput()" pet3.writeOutput(); //Print the new line System.out.println(); //Create object for "Scanner()" keyboard = new Scanner(System.in); //Print the statement System.out.println("Enter name of fourth pet: "); //Get the input from the user petName = keyboard.nextLine(); //Print the new line System.out.println(); //Print the statement System.out.println("Enter age of fourth pet: "); //Get the input from the user petAge = keyboard...

Java: An Introduction to Problem Solving and Programming (8th Edition)

8th Edition

ISBN: 9780134462035

Author: Walter Savitch

Publisher: PEARSON

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1. Level the resources (R) for the following network. Show exactly which activity is being moved at each cycle and how many days it is being moved. Show all cycles required to utilize the free float and the back float. B H 3 3 L 2 0-0-0 A C F G K N P Q T 0 3 2 2 1 2-2-2 7R 8R 4R 6R 4R 2R 5R 4R D 1 2R 2 M 000 4R 2 4R 1 2 3 4 B5 B BE B 5 5 7 D 2003 C NO C MBSCM В H 5 2 F 7 7 8 SH2F80 5 Н Н 6 7 7L3G4+ 6H2G4 J 4 4 14 8 L K 00 36 9 10 11 12 13 14 15 P 2 Z+ N N 4 4 Z t 2334 4 Σ + M M 4 +

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Java: An Introduction to Problem Solving and Programming (8th Edition)

Chapter 6.1, Problem 1STQ Chapter 6.1, Problem 2STQ Chapter 6.1, Problem 3STQ Chapter 6.1, Problem 4STQ Chapter 6.1, Problem 5STQ Chapter 6.2, Problem 6STQ Chapter 6.2, Problem 7STQ Chapter 6.2, Problem 8STQ Chapter 6.2, Problem 9STQ Chapter 6.2, Problem 10STQ

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