Reply to thread

Message

<blockquote data-quote="TomorrowIsAMystery" data-source="post: 298779" data-attributes="member: 51085">[CODE] &nbsp; &nbsp; public static void run(){&nbsp; &nbsp; System.out.println(&quot;Input the value which you would like to calculate, include an addition sign with no spaces&quot;);&nbsp; &nbsp; Scanner user = new Scanner(System.in);&nbsp; &nbsp; String userQuestion = user.nextLine();&nbsp; &nbsp; int lengthofMaths = userQuestion.length(); //this is the length of what the user put in&nbsp; &nbsp; String splitter[] = new String[3]; //assigning array&nbsp;&nbsp; &nbsp; &nbsp; for (int i = 0; i &lt;=lengthofMaths; i++){ //this loops through the question that they had put in&nbsp; &nbsp; &nbsp; &nbsp; int location1 = 0; //setting location at index 0&nbsp; &nbsp; &nbsp; &nbsp; location1 = userQuestion.indexOf(&quot;+&quot;); //what im doing here is making it loop to find the addition sign&nbsp; &nbsp; &nbsp; &nbsp; splitter[1] = userQuestion.substring(0, location1); //once its found the addition it assigns splitter[1] to equal everything before it&nbsp; &nbsp; &nbsp; &nbsp; splitter[2] = userQuestion.substring(location1 + 1, lengthofMaths); //and here is everything after it&nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; }&nbsp;&nbsp; &nbsp; &nbsp; int y = Integer.parseInt(splitter[1]); //i didn't think ahead so i needed to parse my strings into integers so i could display the final answer&nbsp; &nbsp; int x = Integer.parseInt(splitter[2]); //same thing for the second value&nbsp;&nbsp; &nbsp; &nbsp; int finalCalculation = x + y; //adding them up&nbsp; &nbsp; System.out.println(&quot;The answer is... &quot; + finalCalculation); //display&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; }&nbsp; &nbsp; [/CODE]I talked the talk, but can I walk the walk?This is a simple calculator only for addition showing how I used arrays. If its inefficent someone do please tell me, but this is also here for others to learn and understand</blockquote>

[QUOTE="TomorrowIsAMystery, post: 298779, member: 51085"] [CODE] public static void run(){ System.out.println("Input the value which you would like to calculate, include an addition sign with no spaces"); Scanner user = new Scanner(System.in); String userQuestion = user.nextLine(); int lengthofMaths = userQuestion.length(); //this is the length of what the user put in String splitter[] = new String[3]; //assigning array for (int i = 0; i <=lengthofMaths; i++){ //this loops through the question that they had put in int location1 = 0; //setting location at index 0 location1 = userQuestion.indexOf("+"); //what im doing here is making it loop to find the addition sign splitter[1] = userQuestion.substring(0, location1); //once its found the addition it assigns splitter[1] to equal everything before it splitter[2] = userQuestion.substring(location1 + 1, lengthofMaths); //and here is everything after it } int y = Integer.parseInt(splitter[1]); //i didn't think ahead so i needed to parse my strings into integers so i could display the final answer int x = Integer.parseInt(splitter[2]); //same thing for the second value int finalCalculation = x + y; //adding them up System.out.println("The answer is... " + finalCalculation); //display } [/CODE] I talked the talk, but can I walk the walk? This is a simple calculator only for addition showing how I used arrays. If its inefficent someone do please tell me, but this is also here for others to learn and understand [/QUOTE]

Verification

Reply to thread

Connect with us

Newest members