Monday, September 7, 2009

Activating Hidden Themes in Windows 7:

Windows 7 have hidden themes and these themes are available as hidden files in your system.
To activate these hidden themes follow the steps,

1) Open My Computer and then click Organize ->Folder and Search Options and then goto View Tab.
2) Then goto C:\Windows\Globalization\MCT
3) Double click the required theme to activate and enjoy.

Friday, September 4, 2009

Make Warnings from Notepad:

Open a notepad and type ,
  • lol=msgbox ("Warning Virus detected on your system.Click YES to Format hard disk else click NO to Format hard disk after Restart",20,"Warning") 
  • Then Save this file as LoveCalculator.VBS and then send it to your friend or check it yourself. 

Description:
First argument of msgbox : You can type whatever you want.
Second argument of msgbox: You cannot change the value 20.
Third argument of msgbox : You can type whatever you want.
You can name the file, whatever you want but it should be of .VBS extension
Remember, this file is completely harmless.

Making Notepad as Personal Diary:

MAKING  NOTEPAD AS YOUR PERSONAL DIARY:

           You can make a notepad as your personal Diary, Here you go,
1) First open a blank Notepad.
2) Then write .LOG as a first line, and then press Enter. Then save the notepad and close it.
3) Open same notepad file now, you can find that the date and time have been added.
4) Now you can type your notes or whatever you like and then Save and Close the file.
5) Everytime you will find that, the date and time will be appended , how cool it is.

Thursday, September 3, 2009

Hiding Folders in XP & Vista:

Hiding your Folders in XP and Vista without software:

XP:
Windows XP  contain a hidden system folder called recycler.
If you want to hide anything, then cut that folder and paste it there.
Accesing recycler quickly:
Goto Root of Drive and then type c:\recycler in that  'c' is the drive letter of your current drive.


Vista:
Windows Vista have a hidden system folder named $recycle.bin
If you want to hide folder or anything, then cut that folder and paste it there.
Accesing $recycle.bin quickly:
Goto Root of  Drive and then type c:\$recycle.bin , in that 'c' is the drive letter of your current drive.

NOTE:This is the only one possible way provided by windows i.e you cannot search data other than the above mentioned way.

Boosting Internet Speed:

Speed your Internet connection(Only for Microsoft Platforms):
     Microsoft reserves 20% of internet bandwidth for sending your system error reports, system online help.
To overcome this do the following steps:
Goto,
1) Run or press "Window key+r"
2) Then Type gpedit.msc and press Enter key.
3) Pressing the Enter  key will open the "Group Policy" Window.
4) Then goto "Local Computer Policy" on left side, then collapse "Computer configuration" and then collapse "Administrative Templates" , then collapse "Network" then click " Qos Packet scheduler".
5) On the right side of window, Double click "Limit Reservable Bandwidth".
6) A Properties window will open, in that click "Enabled" and change BandWidth limit to 0%.
7) Click OK, thats it, your bandwidth utilisation will now be increased.

5 Very Common Interview Questions:

1.Introduce yourself.
                 First Impression is the best impression, so be prepared for this question first. Always keep your answers short and sweet. Avoid telling your family details. Instead of that, you can tell your education details , your Projects, your interests , your long term and short term goals , your strenghts. Dont be fast nor slow.
Dont be agressive . Make your statements simple and understandable.

2.How do you know about our company?
         Always do research before going for an interview.Dont avoid this. Learn from their reports,news,projects taken.But before that check whether that company  is "product based company" or "project based company".

3.Why you are qualified for this particular position in our company?
           Tell your past experiences in your own projects and tell them that you have done all activities related to their field. If you had done any certifications then tell them.But dont always stress repeated statements.
Dont use new words from dictionary.

4.What are ur strengths?
         Tell them that you are a  hardworker, customer oriented,calm,diligent,loyality, willingness to learn, and most of all flexibilty i.e say that you are flexible to work at any time and any where.Also cite with an example.
5.What are ur weaknesses?
            A tough question.Do not say that I have no weakness all times.Do not avoid this question.
Wrap up positive answer in this question.If you have any specific weakness, then tell them that you have reduced that weakness to 50% or 60 % by  taking necessary steps.


FINAL NOTE: Be aware that Interview is conducted only for improvement of company i.e. for their own development and not for u. So prove them that you will add value to their company.

Wednesday, September 2, 2009

JAVA possible Interview Questions:





1)In what ways does C++ and JAVA differ?
Java has no pointers.
Java supports garbage collection.
Java doent have destructor.
Java doen't provide the concept of operator overloading.
Java doesnt provides Multiple inheritance, but it can be available through interfaces.
Java is platform Independent.
Java supports multithreading, whereas C++ dont provide it.


2)Is JAVA 100% OOPs?
Java supports primitive types like int, char, float ,double , and then rest of the types are objects.
Hence some people are saying it is not a pure oo Programming language.

3)Explain the terms object, instance, reference and class?
Object: An Object can be termed as an instance of a class.
Instance: An instance is the values of data members of a class at particular point of time.
Reference: A reference is like a pointer to an object.
Class: A class is a data type(user-defined) with set of data members and its associated member functions.

4)What are the ways of creating an object?
Object can be created using four different ways like,

Using 'new' operator.
Using the syntax class.forName obj-name = Class.forName(fully qualified Class Name).newInstance().
Calling clone method of object class Eg: object.clone.
Using newInstance. 
5)Is there any immutable classes availble in Java? If so then tell some of them?
All the Wrapper classes in java.lang are immutable - String, Boolean,Integer, Long ,Short, Float,Byte,BigInteger.

6)What is Collections API in java?
Collection API is a set of interfaces and classes that supports or helps in manipulation of group of objects.The collection API is more advantageous than arrays and vectors.
EG:HashMap,TreeSet,TreeList.

7)What are the differences between HashMap and HashTable?
HashTable is synchronised whereas HashMap is unsynchronised.
HashTable doesnt allows null value as key, whereas HashMap allows null value as key.
Remember null is not a keyword in java.