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Error in checking null value in string


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Error in checking null value in string

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Error in checking null value in string
Error in checking null value in string  Error in checking null value... in the following code: String registerno=null; registerno=request.getParameter("registerno"); int r=0; if(!registerno.equals(null)) /* Error line */ { r=1; } Can
 
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Null pointer exception error in Jsp - JSP-Servlet
Null pointer exception error in Jsp  Hi i write a login page. when i validate the login value then the nullpointer exception error is occured. my...").value; var upwd=document.getElementById("pwd").value; if(uid
 
Null pointer exception error in Jsp - JSP-Servlet
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null pointer error  Respected sir there is a problem in this code when i add any new record in ms access data base from my code, it gives only null pointer error sir please help me my code are given below compilatation class
 
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getting null value in action from ajax call
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getting null value in action from ajax call
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getting null value in action from ajax call
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PHP Null Variables
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method returning null on JSP page.Plz HELP!!!
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method returning null on JSP page.Plz HELP!!!
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Getting Null pointer Exception in the jsp page  I have developed this jsp page to store the data in database.While storing the value of check box in database I am getting null pointer exception in the following code
 
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