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Which is the best driver among four jdbc drivers?how can we load that driver?
Please give me answer ,if know with code also
p.rajinikanth
- Jul 10th, 2007
We need to consider different paramaters when chossing between the drivers. The following summarizes the types of drivers to use in different situations. Performance with stored procedures: Type 2Scal...
Farkalit Usman
- Mar 20th, 2006
Type IV (Native-Protocol Pur Java Driver), which is specific to Vendor and extremly faster than the first three.
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How can you invoke parameterized constructor to create object from class reference?
utpal_utkalit
- Nov 16th, 2006
Here is the snap shot of the working solution to the said question..try{System.out.println("class name is "+class_name);Class cls=Class.forName(class_name);Constructor[] ctorlist=cls.getConstruc...
utpal utkalit
- Nov 15th, 2006
I mean,how would you construct object thru virtual constructor...
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Fill in the blanks : - What is the mechanisam defind by java for the Resources to be used by only one Thread at a time________________
A) Synchronisation
deepthi.javatest
- Dec 13th, 2006
I gave synchronization but got marked wrongly check different spellings
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What is the value of 111 % 13?
A) 3B) 5C) 7D) 9
vis
- Mar 17th, 2015
7
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State true or false:- Can a byte object be cast to a double value ?
A) TrueB) False
raghuprasad
- Aug 25th, 2008
Yes, byte object can be casted to a double value. checkout executing java program!Raghu.
rajandeepvij
- Aug 22nd, 2008
Public class Conversion
{
/** * @param args */
public static void main(String[] args)
{
// TODO Auto-generated method stub
Object obj='6';
String str = obj.toString();
double d = Double.valueOf(str).doubleValue();
System.out.println(d);
}
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Objects are sometimes referred to as __________ of a class
A) InhertienceB) InstancesC) InterfacesD) Inhibitors
kjavaid
- Mar 8th, 2011
Instances.Objects creation in Java is "Instantiating a class". Therefore the the object is an instance of the class.Best Regards,Kamil Javaid
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What is diference between Objects and Classes?
sithu
- Sep 12th, 2006
Same as in OOPS, Simple Example here Tables are called as classes, columns are called as objects CheersSithu, sithusithu@hotmail.com
ameybhide
- Apr 4th, 2006
Classes:Classes act as a blue print for object creation. Classes do not occupy any memory as they are not relevant to run-time.Objects: Any entity which can be described by an identifier, state and be...
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How to clone the objects?
funny
- Sep 6th, 2007
In shallow cloning, any modifications done to the cloned object will also affect the original object whereas in deep cloning, any modifications done to the cloned object will not affect the original object.
kiranbabug
- Mar 23rd, 2006
What are shallow copy and deep copy in the cloning of objects.Please give me some ex.
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">
What is the role of Class.forName("sun.jdbc.odbc.JdbcOdbcDriver") in my application?
vijaybharti
- Jul 18th, 2006
it is used to load the class at runtime and in jdbc it is used to load the driver and according to specification every driver class must contain a static block in which it contains the code to instanciate itself and the register itself with the driver manager.
sriaknth
- May 15th, 2006
When we call forName() method on Class class what happen is1)initially the class is loaded into the memory2)then it calls the static method forName()3)the static forName() method contains a static block.That static block regiser the loaded driver class with the DriverManager class
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Doesn't the compiler always make a no-arg constructor for you?
hsavinash2001
- Sep 16th, 2008
Compiler provides a no-arg constructor when don't specify any constructor in your class. If you do provide a constructor (with or without args), it will expect you only to fill in the no-arg constructor and it won't provide one.
ramesh chandra
- Jan 2nd, 2007
hi there wil be always a default constructor raised with no arguements
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How can i call parameterized constructor if am instantiating a object using "Class.forName("Abc").newInstance()"?
venkat soma
- Jan 5th, 2007
We cant call parameterized constructors by using newInstance() method. Bcoz, newInstance() method will use default constructor to create an object of a class.Ex:public class Sample {}if we write ...
utpal_utkalit
- Nov 16th, 2006
try{System.out.println("class name is "+class_name);Class cls=Class.forName(class_name);Constructor[] ctorlist=cls.getConstructors();/**temporary remove the sysout statement***//** to go to the list b...
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What is the difference between native and abstract
What is the difference between native and abstract?can we declare a method as native inside an interface?if yes then why? if no then why not?
abinaya .g.p
- Nov 13th, 2010
No, because interface is by default is a abstract class and can contain only abstract methods and final or static variables, thus it cannot contain concrete methods and instant variables.
Sunil Pratap Singh
- Nov 14th, 2006
Native keyword is prefixed with method name when we want that method to be implemented using a native language like c and c++. So in the class we only declare the method and the defination of the meth...
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Can consturctors have below modifiersa) finalb) voidc) static
sekhar511
- Dec 10th, 2010
Constructors cannot have return types and modifiers where final, void, static are not allowed as modifiers to constructors.
pramod.cbit
- Mar 22nd, 2008
no..construtors are meant for creating objects and it is not a method but loojk likes method. 1.so u cant put final to other than method,vaRIABLE ,class. 2.if u put satitic means u r breaking ...
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