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    <p>This seems to be the start of your problems...</p> <pre><code>if (result == 2) { TimerTask tasknew = new TimerScheduleFixedRateDelay(); Timer timer = new Timer(); // scheduling the task at fixed rate delay timer.scheduleAtFixedRate(tasknew, 1000, 1000); @Override } public void run() { </code></pre> <p>There's no such class called <code>TimerScheduleFixedRateDelay</code>, <code>Timer</code> doesn't have a default constructor, you don't seem to have declared <code>tasknew</code> and I have no idea why <code>@Override</code> appears here...</p> <p>Let's start by commenting those out for the moment</p> <pre><code>if (result == 2) { //TimerTask tasknew = new TimerScheduleFixedRateDelay(); //Timer timer = new Timer(); // scheduling the task at fixed rate delay //timer.scheduleAtFixedRate(tasknew, 1000, 1000); //@Override } public void run() { </code></pre> <p>The next problem is you're missing a closing bracket...</p> <pre><code>if (result == 2) { ... } // Something is amiss here... public void run() { </code></pre> <p>It should look more like...</p> <pre><code> if (result == 2) { ... } } public void run() { </code></pre> <p>Next...</p> <pre><code>public void run() { msg = "It's too late, we're all dead!"; msg = "..."; msg = "Look at what you did, there's nothing left."; msg = "Looks like we have to start over again..."; window.setVisible(false); main(null); } display.setText (msg); </code></pre> <p><code>msg</code> is undefined, <code>window</code> is undefined and <code>main</code> is undefined and <code>display.setText</code> is being callout outside of a method context, which is illegal...</p> <pre><code>public void run() { String msg = "It's too late, we're all dead!"; msg = "..."; msg = "Look at what you did, there's nothing left."; msg = "Looks like we have to start over again..."; display.setText (msg); //window.setVisible(false); //main(null); } </code></pre> <p>It's easy enough to fix the <code>msg</code>, not sure about the <code>display.setText</code>, but since it's taking <code>msg</code>, I assume it belongs in the <code>run</code> method and I have no idea about <code>window</code> and <code>main</code> still needs to be resolved...</p> <p>Which leads us onto...</p> <pre><code>} private String makeWord(char move) { String word = ""; switch (move) { case 'R': word = "rock"; break; case 'P': word = "paper"; break; case 'S': word = "scissors"; break; case 'N': word = "nuke"; break; } return word; } public static void main(String[] args) //Here { RpsNuke window = new RpsNuke(); window.setBounds(300, 300, 400, 140); window.setDefaultCloseOperation(EXIT_ON_CLOSE); window.setVisible(true); } } //And here </code></pre> <p>Oh, I think I found where our missing brace went to....This means that everything below the <code>}</code> the first brace in the above code is actually being defined outside of the <code>class</code>, which, for the context of this question, is illegal...</p> <p>So, lets comment that out...</p> <pre><code>//} private String makeWord(char move) { String word = ""; switch (move) { case 'R': word = "rock"; break; case 'P': word = "paper"; break; case 'S': word = "scissors"; break; case 'N': word = "nuke"; break; } return word; } public static void main(String[] args) //Here { RpsNuke window = new RpsNuke(); window.setBounds(300, 300, 400, 140); window.setDefaultCloseOperation(EXIT_ON_CLOSE); window.setVisible(true); } } //And here </code></pre> <p>There, things look a "little" better...I also think I found <code>window</code>, but it's being defined in <code>main</code>...not very helpful ;)</p> <p>Based on look at your code, I think you should avoid <code>java.util.Timer</code> and use <code>javax.swing.Timer</code> instead, this will prevent you from updating the UI from outside the content of the Event Dispatching Thread which is just another cup of worms you would probably wish to avoid...</p>
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    1. CO+1 wow, I had started to write an answer but hadn't planned anything this thorough. Good that I was slow enough.
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    2. CO@kiheru Not sure if I caught everything, so if you have anything else to add don't hesitate to put another answer together, it was a real mess so I'm likely to have missed something :P
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    3. CONot really much to add. The `@Override` and `public void run()` were likely parts of the `TimerTask`, that somehow got scattered a bit around (and called by a constructor that does not exist). But as said, the OP should not be using `java.util.Timer` anyway.
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