Class OpeningScreen

java.lang.Object

OpeningScreen

public class OpeningScreen
extends java.lang.Object

A class for displaying three lines of information at various positions on the screen (the standard output), which may be used as a display of the "opening screen" of any console program. For example, a typical use might be used to display the programmer's ID information, the submission identifier, and the title of the submission.

Constructor Summary

Constructors

Constructor and Description
OpeningScreen() Creates a default OpeningScreen object containing three lines of text output that identify the programmer and the submission.
OpeningScreen(java.lang.String firstLine, java.lang.String secondLine, java.lang.String thirdLine) Creates an OpeningScreen object with client-supplied three lines of text output to be displayed.
OpeningScreen(java.lang.String firstLine, java.lang.String secondLine, java.lang.String thirdLine, int numberOfSpacesToIndent) Creates an OpeningScreen object with client-supplied three lines of text output to be displayed, as well as a client-supplied indentation level.
OpeningScreen(java.lang.String firstLine, java.lang.String secondLine, java.lang.String thirdLine, int numberOfSpacesToIndent, int numberOfBlankLinesBefore, int numberOfBlankLinesAfter) Creates an OpeningScreen object with client-supplied three lines of text output to be displayed, as well as a client-supplied number of spaces to indent, in addition to a client-supplied number of blank lines before and after the three lines of output.

Method Summary

Modifier and Type	Method and Description
void	display() Displays the current OpeningScreen object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

OpeningScreen

public OpeningScreen()

Creates a default OpeningScreen object containing three lines of text output that identify the programmer and the submission. The output shown when this object is displayed is given on the following three lines:
Lastname:Firstname:A00123456:csc34101
Submission 05
Constructors for the Opening Screen Class
The default indentation is 16 spaces, and there are 11 blank lines before and 11 blank lines after the above three lines of output.
Pre: None.
Post: An OpeningScreen object has been constructed in which all attributes have default values.

OpeningScreen

public OpeningScreen(java.lang.String firstLine,
                     java.lang.String secondLine,
                     java.lang.String thirdLine)

Creates an OpeningScreen object with client-supplied three lines of text output to be displayed. The default indentation is 16 spaces, and there are 11 blank lines before and 11 blank lines after the three lines of output.

Parameters:

firstLine - The first line of text in the display.

secondLine - The second line of text in the display.

thirdLine - The third line of text in the display.
Pre: All input parameters have been initialized.
Post: An OpeningScreen object has been constructed according to the information provided by the actual values of the input parameters.

OpeningScreen

public OpeningScreen(java.lang.String firstLine,
                     java.lang.String secondLine,
                     java.lang.String thirdLine,
                     int numberOfSpacesToIndent)

Creates an OpeningScreen object with client-supplied three lines of text output to be displayed, as well as a client-supplied indentation level. There are 11 blank lines before and 11 blank lines after the three lines of output.

Parameters:

firstLine - The first line of text in the display.

secondLine - The second line of text in the display.

thirdLine - The third line of text in the display.

numberOfSpacesToIndent - The number of spaces the lines of information are indented from the left margin.
Pre: All input parameters have been initialized.
Post: An OpeningScreen object has been constructed according to the information provided by the actual values of the input parameters.

OpeningScreen

public OpeningScreen(java.lang.String firstLine,
                     java.lang.String secondLine,
                     java.lang.String thirdLine,
                     int numberOfSpacesToIndent,
                     int numberOfBlankLinesBefore,
                     int numberOfBlankLinesAfter)

Creates an OpeningScreen object with client-supplied three lines of text output to be displayed, as well as a client-supplied number of spaces to indent, in addition to a client-supplied number of blank lines before and after the three lines of output.

Parameters:

firstLine - The first line of text in the display.

secondLine - The second line of text in the display.

thirdLine - The third line of text in the display.

numberOfSpacesToIndent - The number of spaces the lines of information are indented from the left margin.

numberOfBlankLinesBefore - The number of blank lines displayed before the three lines of output.

numberOfBlankLinesAfter - The number of blank lines displayed after the three lines of output.
Pre: All input parameters have been initialized.
Post: An OpeningScreen object has been constructed according to the information provided by the actual values of the input parameters.

Method Detail

display

public void display()

Displays the current OpeningScreen object.
Pre: This object has been initialized.
Post: Three lines of (typically, but not necessarily indented) text information have been output, with (typically, but not necessarily) some blank lines before and after that text, and with a pause at the end.