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Replied To a Post in Cannot find symbol - method
Let's take this one step at a time: Exactly which line of code does the error message refer to? (Post the whole error message - don't edit or summarise it) -
Replied To a Post in Hpw to stop the Below Access Denied Error
Is that access allowed by your security policy? -
Replied To a Post in Minesweeper GUI need help!
For the flag - set the flag icon for the button in the actionPerformed (like slavi said). Ie when the user clicks a button, set that button;s icon to the … -
Replied To a Post in Cannot find symbol - method
That message was generated by some other piece of code - if you don't post that then nobody can help. ps Your sumArgs method makes absolutely no sense whatsoever. -
Gave Reputation to Slavi in Minesweeper GUI need help!
What James said but I think you need to do it inside actionPerformed, so that is actually happening when a button is pressed not as a default image -
Replied To a Post in Minesweeper GUI need help!
It looks like your grid is displayed as a grid of JButtons, so do as Phaelax says and set the appropriate icons for each button ... `button.setIcon(icon)` -
Replied To a Post in Need an idea as to how to get the row if a specific position is given
If there are always 8 items/row then simply divide the item number by 8 to get the row number. Then use modulo 8 to get the position in the row, … -
Replied To a Post in Investment Calculator
Thanks for that contribution brycematheson. Just two quick comments on the code: Your naming convention is perfectly valid, but not one you will often find in Java - the source … -
Replied To a Post in console input
30 seconds with the API doc will tell you that the Console class does not have any public constructors. You will also find the following helpful comment: "If this virtual … -
Replied To a Post in NaN (Not a number) error!
Yes, here's the code I used to confirm the problem... String s = "1.2 3.4"; Scanner input = new Scanner(s); // my default Locale is UK System.out.println(input.locale() + " " … -
Replied To a Post in NaN (Not a number) error!
I suspect the Swedish locale uses the comma as the decimal separator. Your file has . as the decimal separator, so that may be causing a problem in reading floats … -
Replied To a Post in Generics
The type E could be anything, String, URL, JButton... so there's no version of the + operator that can be used with all of those. What did you want it … -
Replied To a Post in cannot find symbol?
the ViewManager variable is defined on line 45, inide the do block that starts at line 41, so it goes out of scope when that do block is closed, and … -
Replied To a Post in NaN (Not a number) error!
/ and // worked no problem Hmmm... I tried creating a File with // in the path, then printing its canonicalPath, and found the // to have been replaced by … -
Replied To a Post in NaN (Not a number) error!
That's interesting. I wouldn't expect that to work! Can you try it with single slashes? -
Replied To a Post in NaN (Not a number) error!
The latest version is worse! You now have an empty catch block, so you will never know if the file was found or not. Alwyas use an `e.printStackTrace();` until/unless you … -
Replied To a Post in NaN (Not a number) error!
Why are you printing the contents of `weight` only if the file is not found? If you can't find the file then `weight` will be empty! Hint: Indenting your code … -
Replied To a Post in NaN (Not a number) error!
Yes, that looks like an empty array - which would explain the 0/0 == NaN -
Replied To a Post in change jframe style
Yes, does look like Nimbus. thanks. (I never used it becuase I always go for the native system L&F to avoid confusing the users.) -
Replied To a Post in How to insert an image from the web, and text in JLabel to be inserted in J
What code are you using to "use this JLabel in a JTextPane"? -
Replied To a Post in Analyze the following code. and choose the right answer
... and why do you think d is always less than 10? -
Replied To a Post in change jframe style
Nice scroll bars! What OS is that? Anyway for info on how to set the look and feel start [here](https://docs.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html) -
Replied To a Post in NaN (Not a number) error!
NaN is most commony seen when you try to divide by zero, as may happen if the loop on line 8 above executes zero times, so line 12 is trying … -
Replied To a Post in game round
Just display a message and read the reply - it's no different from any other interaction with the user. -
Replied To a Post in game round
Why not just a simple `int roundNumber = 0;` then increment it as each round is completed: `roundNumber++;` -
Replied To a Post in game round
There's nowhere near enough context there to answer the question. What are `round()` and `round` for example? -
Replied To a Post in java 2 SE programs not run with servlets
I did understood that perfectly. If you didn't have an explicit classpath then you had the default, which is the current working directory. Your new classpath does not include that … -
Replied To a Post in java 2 SE programs not run with servlets
You just need to ADD servkey-api to your classpath, keeping all the existing entries as well. -
Replied To a Post in java 2 SE programs not run with servlets
Did you **set** CLASSPATH variable `servlet-api`, or did you **add** `servlet-api` to you classpath? Maybe the problem is that you lost your previous classpath values? -
Replied To a Post in Jbotton
Use the client property (see mKorbel's code for an example) to store the $23 or whatever in each button. Then in your action listener you can retrieve that (see mKorbel's … -
Replied To a Post in How to fix my code it does not play the other player after player 2 wins
I don't understand your question! What do you mean "play the other player"? Do you want to start a new game? If so, you need a second loop, like this … -
Replied To a Post in Analyze the following code. and choose the right answer
Repeating the question just wastes everyone's time. Read stultusk's answer, then simply try the code on your nearest computer. When you have done that, if you don't understand what happened, … -
Replied To a Post in Jbotton
Yes, I also would use client properties to identify the button that was clicked, or maybe an action listener that takes a button number in its constructor. The array suggestion … -
Replied To a Post in Loop through binary search tree
I think that algorithm will fail if there are both left and right nodes - it will just traverse the left-most children. I think you do need recursion (or something … -
Replied To a Post in Jbotton
You could store your button references in a 10x10 array (or a 100 element array) as you create them. -
Replied To a Post in how do I convert hext to binary
OK. Maybe you can give an small example of some input, and the output that you want? You will need to explain whether the output is just a Sring, or … -
Gave Reputation to Renuka_1 in I want core java code for following program:
We are hosting the Olympic games. Write a program that will track all the details of this hosting. 1. The program should track the countries and their players along with … -
Replied To a Post in I want core java code for following program:
You just copy/pasted your assignment without even a moment taken to explain what help you need. That's highly disrepestectful to the many people who give their time to help others … -
Replied To a Post in Capturing Image from WebCam - JMF and JSP
Nice try at some free publicity for your product! I'm sure there's a reason why you didn't mention that it costs between 8 and 12 THOUSAND dollars. Caveat emptor. -
Replied To a Post in For Loop
Yes - Sorry, I posted that from my iPad and wasn't thinking properly. It's chars that are unsigned, not bytes. Thanks for correcting that info. -
Gave Reputation to janissantony in For Loop
I thought bytes are -128 to 127 -
Replied To a Post in how do I convert hext to binary
Here's the simple test case I used: String in = "1020fffe0100"; BigInteger bi = new BigInteger(in, 16); byte[] bytes = bi.toByteArray(); System.out.println(Arrays.toString(bytes) and the output was [16, 32, -1, -2, … -
Replied To a Post in add new row to Jtable at run time and save records
There are lots of examples on the web that yu can find with your favourite search engine. There's no need for anyone here to write another one. Anyway - are … -
Replied To a Post in For Loop
Java bytes are unsigned 8 bit integers in the range 0-255 You can't use negative numbers with byte values. -
Gave Reputation to Avinash_4 in If Statement
Check if statment. For more click link [Types of Java Statement](http://thatsjavainfo.com/java/java-statement/) -
Gave Reputation to Avinash_4 in Easiest way to implement this in Java
this is a keyword in Java. Which can be used inside method or constructor of class. It(this) works as a reference to current object whose method or constructor is being … -
Replied To a Post in java help -stuck on level 2
Don't think about code until you have worked out what logic you need. Just get a pen and paper and work through some examples. Keep doing that until you understand … -
Replied To a Post in how do I convert hext to binary
If you want to print it use the milil's code. If you want binary array use mine. -
Replied To a Post in how do I convert hext to binary
Obviously if you change the code to give you a byte[] then you have to change the return type of the method to match. -
Replied To a Post in how do I convert hext to binary
Do you mean a string like "100110001010100..." or an internal binary format such as a array of bytes? If it's a byte[] then you can use a variant of the …
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