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ConsoleCalculatorController.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html lang="en">
<head>
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<title>ConsoleCalculatorController</title>
<meta name="date" content="2017-08-29">
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<h2 title="Class ConsoleCalculatorController" class="title">Class ConsoleCalculatorController</h2>
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<ul class="inheritance">
<li>java.lang.Object</li>
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<li>ConsoleCalculatorController</li>
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<pre>public class <span class="typeNameLabel">ConsoleCalculatorController</span>
extends java.lang.Object</pre>
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<td class="colOne"><code><span class="memberNameLink"><a href="ConsoleCalculatorController.html#ConsoleCalculatorController--">ConsoleCalculatorController</a></span>()</code> </td>
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<td class="colFirst"><code>static <a href="View.html" title="class in <Unnamed>">View</a></code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="ConsoleCalculatorController.html#getUserInput--">getUserInput</a></span>()</code>
<div class="block">getUserInput() - Read user entered input from the console via the scanner.</div>
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<td class="colFirst"><code>static java.lang.String</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="ConsoleCalculatorController.html#getUserInputNumeric--">getUserInputNumeric</a></span>()</code>
<div class="block">getUserInputNumeric() - Get next line of console input.</div>
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<td class="colFirst"><code>static boolean</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="ConsoleCalculatorController.html#isValidNumeric-java.lang.String-">isValidNumeric</a></span>(java.lang.String field)</code>
<div class="block">isValidNumeric(String field) - Returns true if 'entry' is a valid numeric (+ or -), else returns false.</div>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="ConsoleCalculatorController.html#main-java.lang.String:A-">main</a></span>(java.lang.String[] args)</code> </td>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="ConsoleCalculatorController.html#showInitialView--">showInitialView</a></span>()</code>
<div class="block">showInitialView() - Displays Calculator Initial View to the console.</div>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><span class="memberNameLink"><a href="ConsoleCalculatorController.html#showPromptView-java.lang.String-">showPromptView</a></span>(java.lang.String msg)</code>
<div class="block">showPromptView() - Displays Calculator prompt to the console as: "Console Calculator on.</div>
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<h3>Methods inherited from class java.lang.Object</h3>
<code>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>ConsoleCalculatorController</h4>
<pre>public ConsoleCalculatorController()</pre>
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<h4>main</h4>
<pre>public static void main(java.lang.String[] args)</pre>
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<h4>getUserInput</h4>
<pre>public static <a href="View.html" title="class in <Unnamed>">View</a> getUserInput()</pre>
<div class="block">getUserInput() - Read user entered input from the console via the scanner. Only allow for valid commands or operators:
commands: save, print, recall, help, off
operators: +, -, *, /, ^, sqrt, log
Will allow for 5 invalid entry attempts. After 5 attempts, view.type will be set to 'E' for error and
scanning will stop.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>View object (type, operator, operand1, operand2) created from console user entered input</dd>
<dt><span class="throwsLabel">Throws:</span></dt>
<dd><code>java.lang.Exception</code> - if exception error on user entry input, catch error, print message, readnext entry.
*************************************************************************************************************************</dd>
</dl>
</li>
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<h4>getUserInputNumeric</h4>
<pre>public static java.lang.String getUserInputNumeric()</pre>
<div class="block">getUserInputNumeric() - Get next line of console input.
Returns the FIRST entry only, trimmed of spaces.
Returns null if no input entered.</div>
<dl>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>tempString String entered by the user.
*************************************************************************************************************************</dd>
</dl>
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<h4>showInitialView</h4>
<pre>public static void showInitialView()</pre>
<div class="block">showInitialView() - Displays Calculator Initial View to the console. Includes usage instructions.
*************************************************************************************************************************</div>
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<h4>showPromptView</h4>
<pre>public static void showPromptView(java.lang.String msg)</pre>
<div class="block">showPromptView() - Displays Calculator prompt to the console as: "Console Calculator on. ".
Another line displays below with an optional message passed in, followed by @code" --> ".</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>msg</code> - a string for usage error messages or user prompts.
*************************************************************************************************************************</dd>
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<h4>isValidNumeric</h4>
<pre>public static boolean isValidNumeric(java.lang.String field)</pre>
<div class="block">isValidNumeric(String field) - Returns true if 'entry' is a valid numeric (+ or -), else returns false.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>field</code> - String field to check if user entered a valid numeric or the string 'pi'</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>boolean value indicates whether 'field' qualifies as valid numeric
*************************************************************************************************************************</dd>
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