<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>MenuDoWhile.java</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <style type="text/css"> <!-- body {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace} pre {color: #a9b7c6; background-color: #2b2b2b; font-family: monospace} table {color: #888888; background-color: #313335; font-family: monospace} .literal {color: #cc7832} .ST4 {font-family: monospace; font-style: italic} .ST0 {color: #287bde} .string {color: #6a8759} .number {color: #6897bb} .comment {color: #808080} .whitespace {color: #505050} .ST2 {color: #ffc66d; font-family: monospace; font-style: italic} .ST3 {color: #9876aa; font-family: monospace; font-style: italic} .ST1 {color: #808080; font-family: monospace; font-weight: bold} --> </style> </head> <body> <table width="100%"><tr><td align="center">/home/caleb/ASDV-Java/Assignments/lab11_ForLoop_CalebFontenot/src/lab11_forloop_calebfontenot/MenuDoWhile.java</td></tr></table> <pre> <span class="comment">/*</span> <span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt</span><span class="comment"> to change this license</span> <span class="comment"> * Click </span><span class="ST0">nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java</span><span class="comment"> to edit this template</span> <span class="comment"> */</span> <span class="literal">package</span> lab11_forloop_calebfontenot; <span class="literal">import</span> java.util.Scanner; <span class="comment">/**</span> <span class="comment"> *</span> <span class="comment"> * </span><span class="ST1">@author</span> <span class="comment">caleb</span> <span class="comment">*/</span> <span class="literal">public</span> <span class="literal">class</span> MenuDoWhile { <span class="literal">public</span> <span class="literal">static</span> <span class="literal">void</span> <span class="ST2">main</span>(String[] args) { Scanner scan = <span class="literal">new</span> Scanner(System.<span class="ST3">in</span>); System.<span class="ST3">out</span>.println(<span class="string">"</span><span class="literal">\n</span><span class="string">Q/q: to quit</span><span class="string">"</span>); System.<span class="ST3">out</span>.println(<span class="string">"</span><span class="string">1: to calculate the square of a number</span><span class="string">"</span>); System.<span class="ST3">out</span>.println(<span class="string">"</span><span class="string">2: to calculate the square root of a number</span><span class="string">"</span>); String s = scan.next();<span class="comment">//2. INITIALIZATION OF THE CONDITION</span> <span class="literal">do</span> { <span class="literal">if</span> (s.charAt(<span class="number">0</span>) == <span class="string">'</span><span class="string">1</span><span class="string">'</span> || s.charAt(<span class="number">0</span>) == <span class="string">'</span><span class="string">2</span><span class="string">'</span>) { System.<span class="ST3">out</span>.println(<span class="string">"</span><span class="string">enter the number:</span><span class="string">"</span>); <span class="literal">double</span> number = scan.nextDouble(); System.<span class="ST3">out</span>.println((s.charAt(<span class="number">0</span>) == <span class="string">'</span><span class="string">1</span><span class="string">'</span>) ? <span class="string">"</span><span class="string">the square : </span><span class="string">"</span> + (number * number) : <span class="string">"</span><span class="string">the square root : </span><span class="string">"</span> + Math.<span class="ST4">pow</span>(number, <span class="number">0</span><span class="number">.5</span>)); } <span class="literal">else</span> <span class="literal">if</span> (s.charAt(<span class="number">0</span>) != <span class="string">'</span><span class="string">Q</span><span class="string">'</span> && s.charAt(<span class="number">0</span>) != <span class="string">'</span><span class="string">q</span><span class="string">'</span>) { System.<span class="ST3">out</span>.println(<span class="string">"</span><span class="string">invalid character</span><span class="string">"</span>); } System.<span class="ST3">out</span>.println(<span class="string">"</span><span class="literal">\n</span><span class="string">Q/q: to quit</span><span class="string">"</span>); System.<span class="ST3">out</span>.println(<span class="string">"</span><span class="string">1: to calculate the square of a number</span><span class="string">"</span>); System.<span class="ST3">out</span>.println(<span class="string">"</span><span class="string">2: to calculate the square root of a number</span><span class="string">"</span>); s = scan.next();<span class="comment">//3.UPDATE OF THE CONDITION</span> } <span class="literal">while</span> (s.charAt(<span class="number">0</span>) != <span class="string">'</span><span class="string">Q</span><span class="string">'</span> && s.charAt(<span class="number">0</span>) != <span class="string">'</span><span class="string">q</span><span class="string">'</span>); <span class="comment">//1. THE CONDITION</span> } } </pre></body> </html>