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Validate the number or string using java swing.

Posted By:laptop charles       Posted Date: July 16, 2010    Points: 10    Category: OOPS    URL: http://www.dotnetspark.com  

Validate the number.
 

It has used a string concept.
Then it has a textbox, get the value in this textbox and check the values number and strings. 
 String tn="";
             int s=0,n=0;
    
           tn= t5.getText();
           int tnn;
          tnn=tn.length();
              char charl[]=new char[30];
              
              for(int i=0;i

     

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