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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Textbook Question
Chapter 11, Problem 2FTE
// Assume inputFile references a Scanner object,
try
{
input = inputFile.nextlnt();
}
finally
{
inputFile.close();
}
catch (InputMismatchException e)
{
System.out.pri ntln(e.getMessage{));
}
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How to fix this code to work...
from tkinter import *from tkinter import ttkfrom tkinter import messagebox
class Student: def __init__(self, id, fn, ln, dob, m='undefined'): self.id = id self.firstName = fn self.lastName = ln self.dateOfBirth = dob self.major = m
list_of_student = []window = Tk()window.geometry("800x750")window.title("Simple Student Management System")list_of_students = []id = 1001
def add_student(): global list_of_students global id if FirstnameEntry.get() =='': messagebox.showerror('erorr', "First name is required") return if LastnameEntry.get() =='': messagebox.showerror('erorr', "Last name is required") return if DateofbirthEntry.get() =='': messagebox.showerror('erorr', "Date of Birth is required") return if MajorEntry.get() =='': instance = Student(id, FirstnameEntry.get(), LastnameEntry.get(), DateofbirthEntry.get()) else: instance = Student(id, FirstnameEntry.get(), LastnameEntry.get(),…
ExampleTwo
This program loops through fileLoop.txt, computation, and display results
package charioloop;
import java.util.Scanner;
import java.io.*;
//
public class Charioloop {
public static void main(String[] args) throws IOException
{
//Create a reference to the physical file
File loopfile = new File("fileLoop.txt");
// connect a Scanner to the file
Scanner getAll = new Scanner( loopfile );
int num = 0, square = 0;
while(num != -1){
num = getAll.nextInt();
square = num * num ;
System.out.println("The square of " + num + " is " + square);
}
getAll.close();
}
}
/*
Create fileLoop.txt in
I:\\Ajava\161\WPPractice\IO\charstream\charioloop
My fileLoop.txt looks like this:
2
3\
2
10
-1
Note:- Study this program and follow the given instruction and execute type the code and provide also output for this java program as soon as possible.
Java. Refer to attachment.
import java.util.*;
public class PoD{
public static void main( String [] args ) {Scanner in = new Scanner( System.in );FruitBasket fruitBasket = new FruitBasket();
while(in.hasNextLine()){String line = in.nextLine();String[] fruitDetails = line.split(" ");Fruit nextFruit = new Fruit(fruitDetails[0],fruitDetails[1], Double.parseDouble(fruitDetails[2]));fruitBasket.addFruit(nextFruit);}
System.out.println("--- BEFORE SORT ---");System.out.println(fruitBasket);Collections.sort(fruitBasket.basket);System.out.println("--- AFTER SORT ---");System.out.println(fruitBasket);
in.close();System.out.print("END OF OUTPUT");}}
import java.util.*;
public class FruitBasket{//attributesprotected ArrayList<Fruit> basket = new ArrayList<Fruit>();
//constructorpublic FruitBasket(){}//Setterspublic void addFruit(Fruit fruitToAdd){this.basket.add(fruitToAdd);}public String toString(){String basketContents = "FRUIT BASKET:\n";for (Fruit fruit: basket){basketContents…
Chapter 11 Solutions
Starting Out with Java: From Control Structures through Objects (7th Edition) (What's New in Computer Science)
Ch. 11.1 - Prob. 11.1CPCh. 11.1 - Prob. 11.2CPCh. 11.1 - Prob. 11.3CPCh. 11.1 - Prob. 11.4CPCh. 11.1 - Prob. 11.5CPCh. 11.1 - Prob. 11.6CPCh. 11.1 - Prob. 11.7CPCh. 11.1 - Prob. 11.8CPCh. 11.1 - Prob. 11.9CPCh. 11.1 - When does the code in a finally block execute?
Ch. 11.1 - What is the call stack? What is a stack trace?Ch. 11.1 - Prob. 11.12CPCh. 11.1 - Prob. 11.13CPCh. 11.1 - Prob. 11.14CPCh. 11.2 - What does the throw statement do?Ch. 11.2 - Prob. 11.16CPCh. 11.2 - Prob. 11.17CPCh. 11.2 - Prob. 11.18CPCh. 11.2 - Prob. 11.19CPCh. 11.3 - What is the difference between a text file and a...Ch. 11.3 - What classes do you use to write output to a...Ch. 11.3 - Prob. 11.22CPCh. 11.3 - What class do you use to work with random access...Ch. 11.3 - What are the two modes that a random access file...Ch. 11.3 - Prob. 11.25CPCh. 11 - Prob. 1MCCh. 11 - Prob. 2MCCh. 11 - Prob. 3MCCh. 11 - Prob. 4MCCh. 11 - FileNotFoundException inherits from __________. a....Ch. 11 - Prob. 6MCCh. 11 - Prob. 7MCCh. 11 - Prob. 8MCCh. 11 - Prob. 9MCCh. 11 - Prob. 10MCCh. 11 - Prob. 11MCCh. 11 - Prob. 12MCCh. 11 - Prob. 13MCCh. 11 - Prob. 14MCCh. 11 - Prob. 15MCCh. 11 - This is the process of converting an object to a...Ch. 11 - Prob. 17TFCh. 11 - Prob. 18TFCh. 11 - Prob. 19TFCh. 11 - True or False: You cannot have more than one catch...Ch. 11 - Prob. 21TFCh. 11 - Prob. 22TFCh. 11 - Prob. 23TFCh. 11 - Prob. 24TFCh. 11 - Find the error in each of the following code...Ch. 11 - // Assume inputFile references a Scanner object,...Ch. 11 - Prob. 3FTECh. 11 - Prob. 1AWCh. 11 - Prob. 2AWCh. 11 - Prob. 3AWCh. 11 - Prob. 4AWCh. 11 - Prob. 5AWCh. 11 - Prob. 6AWCh. 11 - The method getValueFromFile is public and returns...Ch. 11 - Prob. 8AWCh. 11 - Write a statement that creates an object that can...Ch. 11 - Write a statement that opens the file...Ch. 11 - Assume that the reference variable r refers to a...Ch. 11 - Prob. 1SACh. 11 - Prob. 2SACh. 11 - Prob. 3SACh. 11 - Prob. 4SACh. 11 - Prob. 5SACh. 11 - Prob. 6SACh. 11 - What types of objects can be thrown?Ch. 11 - Prob. 8SACh. 11 - Prob. 9SACh. 11 - Prob. 10SACh. 11 - What is the difference between a text file and a...Ch. 11 - What is the difference between a sequential access...Ch. 11 - What happens when you serialize an object? What...Ch. 11 - TestScores Class Write a class named TestScores....Ch. 11 - Prob. 2PCCh. 11 - Prob. 3PCCh. 11 - Prob. 4PCCh. 11 - Prob. 5PCCh. 11 - FileArray Class Design a class that has a static...Ch. 11 - File Encryption Filter File encryption is the...Ch. 11 - File Decryption Filter Write a program that...Ch. 11 - TestScores Modification for Serialization Modify...Ch. 11 - Prob. 10PC
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