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Questions tagged [cannot-find-symbol]

This tag is used when code returns an error message that a symbol cannot be located. These are usually compilation errors in Java.

This tag is used when code returns an error message that a symbol cannot be located. Such messages are usually associated with compilation errors in Java. See this post for a detailed description of causes and solutions: What does a "Cannot find symbol" compilation error mean?

251 questions
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Compiling problem - Why doesn't Int work on my age variable?

Picture of error First program I make after hello world. Firstname, lastname and age. When using String on age, everything works as expected. I was told to use Int on age instead of String, but when I changed to Int and try to compile, I get this…
Deemahom
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1 answer

Cannot find symbol symbol:method JOptionPane mutliple buttons

package thearena; import javax.swing.JOptionPane; import java.util.Random; public class Arena { public static void main(String[] args) { Object[] loading_choices = {"Yes","No"}; int action =…
PHDBanana
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1 answer

assign decimal value to a string in java

I am working on a GPA calculator where a user can enter in letter values such as A, B+, D- and so on but i am having trouble assigning the decimal values to the letter grade. I feel like i am not writing my code correctly. I am using an if-else…
dbhuller
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1 answer

android error:cannot find symbol variable

I am making my first testing program with Android Studio. The program has two activities, you insert one text in the first activity, push one button, and then the text is showed on another activity. I am following one tutorial on YT but I find two…
user6791921
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5 answers

How come this string cannot be resolved?

This code is part of a context menu that pops up when a listview is clicked. I am trying to get the user result through whether or not a CheckBox is checked or not. The problem is that the string I am creating cannot be resolved. Here is the…
Abe
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6 answers

What's wrong with the following code in java

I am new to exception handling in java. I was just trying to clear my concepts,but i encountered the following problem. Here is the code. class Inn { public static void main(String... args) { try{ String i="Asd"; }…
asad
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1 answer

Compilation error "cannot find symbol"

I am trying to insert data into MySQL and I'm getting an error: cannot find symbol c import java.sql.*; class Insert{ public static void main(String args[]){ try{ Class.forName("com.jdbc.mysql.Driver"); …
Ravi Kamesh
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2 answers

Java :"error: cannot find symbol"

i'm a new to java and just bought this amazing book to start learning with. One of the exercises, it asked me to do this ( it's exactly like in the book ) : class SimpleDotComTestDrive { public static void main (String[] args) { …
Huy Tran Van
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1 answer

Maven & InventoryClickEvent.getClickedInventory();

Whilst coding a fun new trash can for a Minecraft server network that I develop for, I came across a pretty strange, and therefore infuriating, bug concerning Maven. I've been using it for a year or two now and have only gotten a single build error…
Incomp
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1 answer

Java: "cannot find symbol" of a return value

I set up a variable that I want returned, but it does not work. The goal of this method is to create a random name generator which can be expanded as I see fit. But it does not return the generatedFirstName String. I looked through my notes over and…
GalliadII
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3 answers

How can I solve the cannot find symbol error in the isWon() & isFull() in my Tic Tac Toe program?

I am trying to compile this tic tac toe program but I keep getting cannot find symbol errors from the isWon() & isFull(). This is the class which contains the isWon() & isFull() import java.awt.*; import java.awt.event.*; import…
kinghabz 14
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4 answers

error: cannot find symbol superclass and subclass

I am a beginner in java and I am trying to write a java code where the program has to calculate the arithmetic mean in the superclass and standard deviation in the subclass. Here is my code: import java.util.*; class ArithmeticMean { double …
Abhishek Diwakar
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1 answer

How do I get rid of the "Cannot resolve symbol R" error?

First of all sorry for any fustration, im a newbie at coding for android. I came home trying to carry on with my application (which worked fine the last I tested it) and I got this error when I opened up android studio: Cannot resolve symbol R This…
Max Reid-Williams
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2 answers

java cannot find symbol variable super

hello i'm super stuck and cannot work out why this is not working. i'm trying to use inheritance and override but i keep getting this error. Been trying to figure this out for the past hour but have had no clue. i'm probably missing something silly,…
Patrick Scott Jackson
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1 answer

Why do I get a 'cannot find symbol' error in this program?

When I run the following program, I get a 'cannot find symbol' error. It is probably caused by a stupid mistake, but I have spent about an hour trying to fix it and I have no idea what the problem is. Here is the code: import java.util.*; public…
wes1099
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