Java dont support pointer.
Here NullPointerException means that it can't map any null object.
Ex1: JButton but1
but1.setSize(10,15) // There will be an NullPointerException because,...
Type: Posts; User: amarmail_999; Keyword(s):
Java dont support pointer.
Here NullPointerException means that it can't map any null object.
Ex1: JButton but1
but1.setSize(10,15) // There will be an NullPointerException because,...
How to use database connectivity from visual studio 2005(VB.NET)?
Views aviews are nothing but saved sql statements, and are sometimes referred as “virtual tables”. Keep in mind that views cannot store data (except for indexed views); rather they only refer to data...
How can I get first maximum salary as well as second maximum salary thru the same SQL query?