All about vedha vas

I have a simple query.
Will they p12 file contain more than one certificate chain with different aliases.?

16 years ago

Am running a Update query.
dynamically am setting the parameters ( columns) and its values in the prepared statement.

Finally when am giving a executeUpdate its returning zero and when i run the same query in the oracle its updating the datas.

16 years ago

JDBC and Relational Databases

executeUpdate method is returning zero.

The executeUpdate() Method is returning zero for a update query.
Which when we execute it oracle works fine and updated the data.
The parameters set in the query are all correct.
Can anyone please help me? why the executeUpdate() returns zero?

16 years ago

JDBC and Relational Databases

How to display values in an array

Hi Shriya Kishore ,

Try this way :

String s[] = {new String("1"),new String("2"),new String("3"),new String("4"),new String("5")};
String str = Arrays.asList(s).toString();
System.out.println(str.substring(1, str.length()-1));

16 years ago

Beginning Java

what is the mistake inthis simple code

Hi Sindura Kapur,

The follwoing are the mistakes i noticed:

1. The String hello was not ended properly.

String s= "hello" ;

2.The sysout was not proper.

System.out.println(a[i]);

3.The local variable(i) wat you inside the for loop.Its life or visibility is only within the for loop
you cant refer it outside.

4.Try this way:

(or)

[edit]Add code tags. CR[/edit]
[ July 24, 2008: Message edited by: Campbell Ritchie ]

16 years ago

Beginning Java

Get Filename using substring

Hi Nandhini Sruthi ,

Try this way,

String url = "c\\documentsandsettings\\user\\privatefiles\\get_url.txt";
int dotCnt = url.indexOf(".");
String str = url.substring(0, dotCnt);
int slashCnt = str.lastIndexOf("\\");
String filename = str.substring(slashCnt+1);
System.out.println(filename);

16 years ago

Beginning Java

Unable to get a Connection Object

Hi Rajat Bhatnagar,

In the DBConnect class you already have a field for Connection connection.
Then in the DBConnection method why again you are creating a connection variable.
Just use the above.

Code to be modified:

public class DBConnect {
String dateQuery = "select sysdate from dual";
public Connection DBConnection(){
Connection connection = null ;
try{
Class.forName("oracle.jdbc.driver.OracleDriver");
connection = DriverManager.getConnection("jdbc:oracle:thin:@kaikeyee:1521:enr9i","e51628","e51628");
/*
* The visibility of connection type is only in this try block.
* How do i get it out from here
*/
}catch(SQLException se){
se.printStackTrace();
}catch(ClassNotFoundException e){
e.printStackTrace();
}
return connection;
}
public void method1(){
try{
Connection connection = DBConnection();
Statement stmt = connection.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,ResultSet.CONCUR_READ_ONLY);
ResultSet rset = stmt.executeQuery(dateQuery);
if(rset.first()==true){
System.out.println("I got a record in the ResultSet");
/***************************************************************************
* Conditional block to check if their is a return of value from database
****************************************************************************/
while(rset.first()){
while(rset.next()){
String firstRecord = rset.getString(1);
}
}}}catch(SQLException se){
se.printStackTrace();
}
}
}

[Added code tags - Dave]
[ July 24, 2008: Message edited by: David O'Meara ]

16 years ago

JDBC and Relational Databases

why println doesnt work in JSP?

Hi Mandar Khire ,

Try this way:

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<%
for(int i=0 ; i<=10 ; i++){
out.println(i+"<br>");
}
%>
</body>
</html>

16 years ago

JSP

NullPointerException in PreparedStatement...

Hi Rajkumar balakrishnan ,

In the checkSession method, in the try part first call the valueBound(event) method after that start
with the code:
ps=con.prepareStatement(SQL2);
ps.setString(1,sname);

16 years ago

JDBC and Relational Databases

NullPointerException in PreparedStatement...

Hi Rajkumar balakrishnan,

The problem is with the con.Con is null.
The connection is not estabilished thats why its throwing NPE.
Pl post the dbModel.java class also so that we can find out how you are estabilishing the connection.

16 years ago

JDBC and Relational Databases

vedha vas

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