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POHow do I create a new instance of thread multiple times in same program
 

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  1. POHow do I create a new instance of thread multiple times in same program
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    <p>I am a newbie please forgive me if I am not clear with what I want. I have a java app which inserts into 2 mysql tables upon clicking submit, one is the on the local machine and other on the web server . The problem is I have created two Threads , one for each . It works fine the first time the app is launched and started , but when the app is running and i try to insert again by clicking submit , it does not do anything . Again when I restart the app it works fine for the first time . my question is how do I stop the thread or end and start a new instance of it , in the same instance of my app. </p> <p>Am sorry if am not clear .</p> <p>heres the code,</p> <pre><code> final int m = MSfuntion.getmemomoc(); Thread t1 = new Thread(new Runnable(){ public void run() { while(runt1){ try{ for(int i=0;i&lt;=jTable2.getRowCount();i++) { Object slno= jTable2.getValueAt(i, 1); Object item2= jTable2.getValueAt(i, 2); Object size2= jTable2.getValueAt(i, 3); String it = slno.toString(); String si = item2.toString(); int qt = Integer.parseInt(size2.toString()); MSfuntion.saledetails(m,it, si, qt); //MSfuntion.saledetailsweb(m,it, si, qt); sc=0; } }catch(Exception e) { e.printStackTrace(); } runt1=false; } } }); Thread t2 = new Thread(new Runnable(){ public void run() { while(runt2){ try{ for(int i=0;i&lt;=jTable2.getRowCount();i++) { Object slno= jTable2.getValueAt(i, 1); Object item2= jTable2.getValueAt(i, 2); Object size2= jTable2.getValueAt(i, 3); String it = slno.toString(); String si = item2.toString(); int qt = Integer.parseInt(size2.toString()); //MSfuntion.saledetails(m,it, si, qt); MSfuntion.saledetailsweb(m,it, si, qt); sc=0; } }catch(Exception e) { e.printStackTrace(); } runt2=false; } t1.start(); t2.start() </code></pre>
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    1. COThe code you have shown will create 2 threads, which will run until the variables `runt*n*` are false (though that logic is redundant) at which point the theads will terminate. It not clear from your code how the `runt*n*` variables are set, though obviously it is outside of the `Runnable`s, which may cause unpredictable results if this code is triggered repeatedly. Please show all the code or indicate how this block of code is invoked.
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      1. USNick Holt
    2. COThis blocks code is invoked upon clicking jbutton , using ActionListener
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    3. COI have declared it as ," private volatile boolean runt1= true; private volatile boolean runt2= true; " at the starting of the class. Sorry cannot post the entire class as it is huge.
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