Related questions with answers

The file Mobilespeed contains the overall download and upload speeds in mbps for nine carriers in the U.S.

a. Compute the covariance between download speed and upload speed.

b. Compute the coefficient of correlation between download speed and upload speed.

c. Based on (a) and (b), what conclusions can you reach about the relationship between download speed and upload speed?

The unadjusted trial balance of the Manufacturing Equitable at December 31, 2016, the end of its fiscal year, included the following account balances. Manufacturing’s 2016 financial statements were issued on April 1, 2017. Accounts receivable $92,500 Accounts payable 35,000 Bank notes payable 600,000 Mortgage note payable 1,200,000. Other information: a. The bank notes, issued August 1, 2016, are due on July 31, 2017, and pay interest at a rate of 10%, payable at maturity. b. The mortgage note is due on March 1, 2017. Interest at 9% has been paid up to December 31 (assume 9% is a realistic rate). Manufacturing intended at December 31, 2016, to refinance the note on its due date with a new 10-year mortgage note. In fact, on March 1, Manufacturing paid$250,000 in cash on the principal balance and refinanced the remaining $950,000. c. Included in the accounts receivable balance at December 31, 2016, were two subsidiary accounts that had been overpaid and had credit balances totaling$18,000. The accounts were of two major customers who were expected to order more merchandise from Manufacturing and apply the overpayments to those future purchases. d. On November 1, 2016, Manufacturing rented a portion of its factory to a tenant for $30,000 per year, payable in advance. The payment for the 12 months ended October 31, 2017, was received as required and was credited to rent revenue. Required: 1. Prepare any necessary adjusting journal entries at December 31, 2016, pertaining to each item of other information (a–d). 2. Prepare the current and long-term liability sections of the December 31, 2016, balance sheet.

At the command prompt, type cat /etc/nsswitch.conf and press Enter to view the /etc/ nsswitch.conf file. Next, type cat /etc/nsswitch.conf | less at the command prompt and press Enter to perform the same task page-by-page. Explain what the | metacharacter does in the previous command. How is this different from the less /etc/nsswitch.conf command?

Question

Search the Java Web site for information on how to use a JTextArea. Write an application for the WebBuy Company that allows a user to compose the three parts of a complete e-mail message: the “To:”, “Subject:”, and “Message:” text. The “To:” and “Subject:” text areas should provide a single line for data entry. The “Message:” area should allow multiple lines of input and be able to scroll if necessary to accommodate a long message. The user clicks a button to send the e-mail message. When the message is complete and the Send button is clicked, the application should display “Mail has been sent!” on a new line in the message area. Save the file as JEMail.java.

Modify the JEMail application to include a Clear button that the user can click at any time to clear the “To:”, “Subject:”, and “Message:” fields. Save the file as JEMail2.java.

Solution

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import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

public class JEmail extends JFrame implements ActionListener, KeyListener {
    final int WIDTH = 250;
    final int HEIGHT = 400; 

    JTextArea to = new JTextArea("To: ");
    JTextArea subject = new JTextArea("Subject: ");
    JTextArea message = new JTextArea("Message: ");
    //Add thc scroll bar to the Message
    JScrollPane scroll = new JScrollPane(message);
    JButton send = new JButton("Send");
    Container con = getContentPane();
    public JEmail() {
        setSize(WIDTH, HEIGHT);
        con.setLayout(new GridLayout(4,1));
        con.add(to);
        //Make sure the text does not
        // go out of text area bounds
        to.setLineWrap(true);
        con.add(subject);
        subject.setLineWrap(true);
        con.add(scroll);
        message.setLineWrap(true);
        con.add(send);

        to.addKeyListener(this);
        subject.addKeyListener(this);
        send.addActionListener(this);
    }

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More related questions

accounting

The adjusted trial balance for Tybalt Construction as of December 31, 2015, follows.

\begin{array}{c} \textbf{TYBALT CONSTRUCTION}\\ \text{Adjusted Trial Balance}\\ \text{December 31, 2015}\\ \end{array}

No.	Account Title	Debit	Credit
101	Cash	$5,000
104	Short-term investments	23,000
126	Supplies	8,100
128	Prepaid insurance	7,000
167	Equipment	40,000
168	Accumulated depreciation—Equipment		$ 20,000
173	Building	150,000
174	Accumulated depreciation—Building		50,000
183	Land	55,000
201	Accounts payable		16,500
203	Interest payable		2,500
208	Rent payable		3,500
210	Wages payable		2,500
213	Property taxes payable		900
233	Unearned professional fees		7,500
251	Long-term notes payable		67,000
301	O. Tybalt, Capital		126,400
302	O. Tybalt, Withdrawals	13,000
401	Professional fees earned		97,000
406	Rent earned		14,000
407	Dividends earned		2,000
409	Interest earned		2,100
606	Depreciation expense—Building	11,000
612	Depreciation expense—Equipment	6,000
623	Wages expense	32,000
633	Interest expense	5,100
637	Insurance expense	10,000
640	Rent expense	13,400
652	Supplies expense	7,400
682	Postage expense	4,200
683	Property taxes expense	5,000
684	Repairs expense	8,900
688	Telephone expense	3,200
690	Utilities expense	4,600
	Totals	$411,900	$411,900

O. Tybalt invested $\$ 5,000$ cash in the business during year 2015 (the December 31,2014 , credit balance of the O. Tybalt, Capital account was $\$ 121,400$ ). Tybalt Construction is required to make a $\$ 7,000$ payment on its long-term notes payable during 2016.

Prepare the income statement and the statement of owner's equity for the calendar year 2015 and the classified balance sheet at December 31, 2015.
Prepare the necessary closing entries at December 31, 2015.
Use the information in the financial statements to compute these ratios: (a) return on assets (total assets at December 31, 2014, was $\$ 200,000$ ), (b) debt ratio, (c) profit margin ratio (use total revenues as the denominator), and $(d)$ current ratio. Round ratios to three decimals for parts $a$ and $c$ , and to two decimals for parts $b$ and $d$ .

accounting

The adjusted trial balance for Tybalt Construction as of December 31, 2017, follows.

\begin{array}{c} \textbf{TYBALT CONSTRUCTION CO.}\\ \textbf{Adjusted Trial Balance}\\ \textbf{December 31, 2017} \end{array}

No.	Account Title	Debit	Credit
101	Cash	$5,000
104	Short-term investments	23,000
126	Supplies	8,100
128	Prepaid insurance	7,000
167	Equipment	40,000
168	Accumulated depreciation- Equipment		$ 20,000
173	Building	150,000
174	Accumulated depreciation- Building		50,000
183	Land	55,000
201	Accounts payable		16,500
203	Interest payable		2,500
208	Rent payable		3,500
210	Wages payable		2,500
213	Property taxes payable		900
233	Unearned professional fees		7,500
251	Long-term notes payable		67,000
301	O. Tybalt, Capital		126,400
302	O. Tybalt, Withdrawals	13,000
401	Professional fees earned		97,000
406	Rent earned		14,000
407	Dividends earned		2,000
409	Interest earned		2,100
606	Depreciation expense- Building	11,000
612	Depreciation expense- Equipment	6,000
623	Wages expense	32,000
633	Interest expense	5,100
637	Insurance expense	10,000
640	Rent expense	13,400
653	Supplies expense	7,400
682	Postage Expense	4,200
683	Property taxes expense	5,000
684	Repairs expense	8,900
688	Telephone expense	3,200
690	Utilities expense	4,600
	Totals	$411,900	$ 411,900

O. Tybalt invested $5,000 cash in the business during year 2017 (the December 31, 2016, credit balance of the O. Tybalt, Capital account was$121,400). Tybalt Construction is required to make a $7,000 payment on its long-term notes payable during 2018.

Required
1. Prepare the income statement and the statement of owner's equity for the calendar year 2017 and the classified balance sheet at December 31, 2017.
2. Prepare the necessary closing entries at December 31, 2017.
3. Use the information in the financial statements to compute these ratios: (a) return on assets (total assets at December 31, 2016, was$200,000), (b) debt ratio, (c) profit margin ratio (use total revenues as the denominator), and (d) current ratio. Round ratios to three decimals for parts a and c, and to two decimals for parts b and d.

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accounting

The adjusted trial balance for Tybalt Construction as of December 31, 2015, follows.

\begin{array}{c} \textbf{TYBALT CONSTRUCTION}\\ \text{Adjusted Trial Balance}\\ \text{December 31, 2015}\\ \end{array}

No.	Account Title	Debit	Credit
101	Cash	$5,000
104	Short-term investments	23,000
126	Supplies	8,100
128	Prepaid insurance	7,000
167	Equipment	40,000
168	Accumulated depreciation—Equipment		$ 20,000
173	Building	150,000
174	Accumulated depreciation—Building		50,000
183	Land	55,000
201	Accounts payable		16,500
203	Interest payable		2,500
208	Rent payable		3,500
210	Wages payable		2,500
213	Property taxes payable		900
233	Unearned professional fees		7,500
251	Long-term notes payable		67,000
301	O. Tybalt, Capital		126,400
302	O. Tybalt, Withdrawals	13,000
401	Professional fees earned		97,000
406	Rent earned		14,000
407	Dividends earned		2,000
409	Interest earned		2,100
606	Depreciation expense—Building	11,000
612	Depreciation expense—Equipment	6,000
623	Wages expense	32,000
633	Interest expense	5,100
637	Insurance expense	10,000
640	Rent expense	13,400
652	Supplies expense	7,400
682	Postage expense	4,200
683	Property taxes expense	5,000
684	Repairs expense	8,900
688	Telephone expense	3,200
690	Utilities expense	4,600
	Totals	$411,900	$411,900

Prepare the income statement and the statement of owner's equity for the calendar year 2015 and the classified balance sheet at December 31, 2015.
Prepare the necessary closing entries at December 31, 2015.
Use the information in the financial statements to compute these ratios: (a) return on assets (total assets at December 31, 2014, was $\$ 200,000$ ), (b) debt ratio, (c) profit margin ratio (use total revenues as the denominator), and $(d)$ current ratio. Round ratios to three decimals for parts $a$ and $c$ , and to two decimals for parts $b$ and $d$ .

accounting

The adjusted trial balance for Tybalt Construction as of December 31, 2017, follows.

\begin{array}{c} \textbf{TYBALT CONSTRUCTION CO.}\\ \textbf{Adjusted Trial Balance}\\ \textbf{December 31, 2017} \end{array}

No.	Account Title	Debit	Credit
101	Cash	$5,000
104	Short-term investments	23,000
126	Supplies	8,100
128	Prepaid insurance	7,000
167	Equipment	40,000
168	Accumulated depreciation- Equipment		$ 20,000
173	Building	150,000
174	Accumulated depreciation- Building		50,000
183	Land	55,000
201	Accounts payable		16,500
203	Interest payable		2,500
208	Rent payable		3,500
210	Wages payable		2,500
213	Property taxes payable		900
233	Unearned professional fees		7,500
251	Long-term notes payable		67,000
301	O. Tybalt, Capital		126,400
302	O. Tybalt, Withdrawals	13,000
401	Professional fees earned		97,000
406	Rent earned		14,000
407	Dividends earned		2,000
409	Interest earned		2,100
606	Depreciation expense- Building	11,000
612	Depreciation expense- Equipment	6,000
623	Wages expense	32,000
633	Interest expense	5,100
637	Insurance expense	10,000
640	Rent expense	13,400
653	Supplies expense	7,400
682	Postage Expense	4,200
683	Property taxes expense	5,000
684	Repairs expense	8,900
688	Telephone expense	3,200
690	Utilities expense	4,600
	Totals	$411,900	$ 411,900

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