I am attempting to write a application that asks user input of a decimal, and outputs a value rounded to the nearest integer of the input.
Here is what I have so far, and I am seeing an error at Static Scanner Console that says Cannot Find Symbol for the class Scanner. and I am not sure how to resolve it.
Note the program so far is only asking for input - I have not gotten to the output part yet.
public class IT145Exercise13 {
static Scanner console = new Scanner(System.in);
/**
* @param args the command line arguments
*/
public static void main(String[] args) {
double decimal;
int rounded;
[Code] ......
This is my second Java program (First was HelloWorld, which went really well )
Seems I need to include
import java.util;
when I do, the error at the console line goes away.
I am not clear what this import statement is doing so will check that out.
I am having a great deal of frustration trying to use the scanner to get user input from the eclipse console. Here is what I am trying to do.
Print a menu for the user with options, take that (1) char input and run it into a switch statement for processing. I have that done and it is working fine.
If the user chooses to enter strings for storage, They are instructed to enter their string and press enter to complete that string entry. Then enter the next string and press enter, etc.
So I have a While loop for this. Get the scanner input, store it in the LinkedList, get the next scanner input, etc. I get the scanner string and store it in a Linked list. That works fine. The user is instructed to simply enter a blank string to end the entry procedure, like just press Enter on the new line without typing a new string.
The problem is the scanner doesn't seem to return anything for me to Test to close this procedure. How do I TRAP the fact that the user just pressed enter so I can end my procedure? I have tried next() and nextLine() and reset(), etc. And I am getting knowhere.
What I'm tasked to do, is to make a simple Java class that forms a "V" based on whatever height the user would desire, made out of stars "*", and spaces " ".
For example, if a user desires a "V" with a height of 3, it would look print out something like;
* * * * *
Where a "V" with a height of 5 would look something like:
* * * * * * * * *
(That one didn't look too good, but you get the point, it's suppose to be 5 "high" and shaped like a "V"). The problem I have, is that I don't see what loops within loops within loops I would need to build something like this.
All the easy stuff like asking the user what height they want and such, I can handle, but I don't see how this thing is suppose to be coded, to print out a decent-looking and right-sized "V" in the console.
public static void main(String[] args) { int height = 3; for (int i = 0; i < height; i++) { for (int j = 0; j < 2/(height+1)+1; j++) { if(j == i) {
[Code] ....
Looked like something of a good start, and it drew me half (!) of the "V" in the size I wanted. Am I on to it here, or am I on the moon in terms of progress? I need the entire "V", not just a nice "".
I'm having an issue, I have a scanner (Scan.nextLine();) that scans the console for input to fetch the string "word". Then I want to fetch a character using Scan.findInLine(word).charAt(number);. The problem is that the console requires me to write 2 lines in order for the program to move on. I only want the program to scan for a word, and then move on with what it has instead of requiring 2 inputs.
I am having trouble compiling my simple java program, i keep having this "cannot find symbol"Untitled.jpg but the ODD thing is when i tried to run my code through online java compiler like Ideone.com it compiles perfectly fine. "Check it here".is it because of my jdk? I use the latest jdk 8. and the book I'm following is "Head First Java"..here's my code
My assignment is to create an ObjectOutputStream object mapped to a binary output file named "ItemRecord_binary.txt". So far I've created a ItemRecord class with a constructor with getters and setters and a override toString method. It compiled. This ItemRecordReport class does not compile because of a can't find symbol error. Here is the code:
import java.io.*; import java.io.IOException; import java.io.ObjectOutputStream; import java.util.Scanner; public class ItemRecordReport { private ObjectOutputStream output;
I have written the below program and while compiling i am getting error. The program and error details goes as follows,
//compute distance of light travels using Java long variable. class Light { public static void main(String args[]) { int lightspeed; long days; long seconds; long distance;
[code]....
I have given the Java file name as 'Light.java'. I have also verified the availability of the java file and compilation path. both are matching. Also, Java file name and class name defined are also same.
I was given the Java code for a project and I am supposed to build unit tests to test the performance of seven sorting algorithms and I am getting the following error in my Lab1Test file...cannot find symbol: method sorta(int[]) location: class Lab1Test.
I keep getting errors, cannot find symbol. Not sure where I am going wrong.
java:139: error: non-static method integerPrompt(String,int,int) cannot be referenced from a static context int regNumber = integerPrompt("Enter registration number", 100, 5000); ^ Program7.java:145: error: cannot find symbol theSubject = integerPrompt(SubjectsPrompt, 1, SubjectQty); ^ symbol: variable theSubject location: class Program7
Java Code:
import java.util.*; import java.io.*; import java.util.Scanner; public class Program7{ public static void main(String args[]){ Student student = new Student();
I have the following code snipet and I get the following errors
interface expected here [javac] private class fileFilter implements FileNameExtensionFilter{ [javac] ^ cannot find symbol [javac] symbol : method fileFilter(java.lang.Object) [javac] location: class gui.components.StartupDialog
I thought I have been getting this right, but I keep getting stuck on this one error. Here is my code. Why it keeps getting a 'cant find symbol' error?
// import statements import java.util.Scanner; // class declaration public class GradeConverter { // main method declaration public static void main(String[] args) { // display a welcome message
[code]....
It is just a simple input a number between 1-100 and it spits out the letter grade.
I have an Input Box in which the user is supposed to enter the answer to a sum, when the answer is equal to the correct answer I want to show a MessageBox that tells them they've got it correct. But when I run the project it crashes saying it 'cannot find symbol',
Heres the code too:
import javax.swing.*; import java.util.Random; import java.util.Scanner; public class SwingInputExample { public static void main(String args[])
I'm picking up Java for a class, and having prior C++ knowledge this stuff has been fairly straightforward with the exception of trying to learn the whole IO system in this language.
className.java:line_number: error: cannot find symbol myList.add(input); ^
I have dealing with this error left and right after picking up this language, and I can never seem to figure out what it's trying to tell me. I've heard people say it's referring misspelled objects or methods, but I've double and triple checked my code and that never seems to be true for me.I'm trying to make a small program which will allow me to play with the LinkedList object so I can gain some familiarity with how they work in Java, and I have this code so far:
import java.io.*; import java.util.*; public class playWithLists { public static void main(String[] args) throws Exception { //List<String> myList = new LinkedList<String>(); LinkedList myList = new LinkedList(); BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String input = "";
[code]....
The compiler is giving me an error at line 16 (specifically: myList.add(input); )
import javax.swing.*; public class opt { public int code[]; public static void main(String[] args) { int xxx = 1;
[Code] ....
Where did I did wrong cus I keep getting these errors: What do I need to do to fix the errors?
F:>javac opt.java opt.java:25: error: cannot find symbol cd.checkDeclare<zz>; ^ symbol: method checkDeclare<String> location: variable cd of type code[] java:32: error: cannot find symbol
i'm working on a "name sorter" program and i want it so when i add names and such to the list box i can click sort and it sorts the names in A,B,C format.Here is my code:
I'm using Netbeans FYI and a java desktop application. Also, i have looked everywhere and even my teacher has had to look further into it, i really want to get it to work.
programming altogether and after almost reaching half way in the 'Head first java' book I decided to try and apply some of what I've learnt so far and write my first 'Object orientated' program. As this is pretty much the first program I've ever written, I decided to write a program to ask for two integers and add them both together and then present them to the user (the goal eventually being a basic fully working command line calculator with +,-,* and /. I'm expecting many compile errors but not the following errors below.
I have three .java files contained within a folder and after trying to figure out how to compile all three files (as they use one another) all at once, I came across this ---> javac *.java
so I typed this in the command line whilst in the directory containing the three files assuming *.java is the best approach and then I receive the following errors:
inputOutput.java:10: error: cannot find symb c.addition() = intIn.nextInteger(); ^ symbol: variable c location: class inputOutput
import java.util.*; public class CQ1v1{ public static void main(String args []) { Scanner in = new Scanner (System.in) ; String name = ""; System.out.println("Welcome to the Interrogator") ;
[Code] ....
When I compile getting
CQ1v1.java:12: error: cannot find symbol x = in.nextLine (); ^ symbol: variable x location: class CQ1v1 CQ1v1.java:21: error: cannot find symbol
I am working on a StringBuffer program and I am getting the following error message: Cannot find symbol - method append(java.lang.String) with this part of the code selected:
The problem I'm having right now is invoking the get method in my main. I get a "cannot find symbol - variable deposit" error message. I also am at a loss as to what to do for the first two classes as well as the interest class. What I had for the first two didn't work, so I scrapped itand don't remember what it was.
Here's the code and error message:
import java.text.NumberFormat; import java.util.Scanner; public class BankAccount { private double balance; private double name; private int BankAccount;
I'm doing a course on java but cant seem to get my servlet to compile i keep getting this error im seriously stressed out iv missed my dead line
errors: C:UsersReignDesktopWebStocks.java:20: package javax.servlet does not exist import javax.servlet.*; ^ C:UsersReignDesktopWebStocks.java:21: package javax.servlet.http does not exist import javax.servlet.http.*; ^ C:UsersReignDesktopWebStocks.java:27: cannot find symbol symbol: class HttpServlet public class WebStocks extends HttpServlet
I am using textpad to compile and Tomcat as a webserver...
