We can create attractive and eye catching website by using image slideshows, flash and other designs. There are so many pre-build JavaScript files and jquery plugins can be found on the web, but today i am going to tail about Creating simple and easy to understand code for image slideshow using JavaScript.

Code for creating simple image slideshow 

Just copy and paste the code below where you want to place slideshow and change the location of the images.

<script language="JavaScript">
var i = 0;
var path = new Array();
 
// LIST OF IMAGES
path[0] = "image_1.gif";
path[1] = "image_2.gif";
path[2] = "image_3.gif";

function swapImage()
{
   document.slide.src = path[i];
   if(i < path.length - 1) i++; else i = 0;
   setTimeout("swapImage()",3000);
}
window.onload=swapImage;
</script>
<img height="200" name="slide" src="image_1.gif" width="400" />

Demo slideshow for the above code

Code for creating slideshow with caption

Just copy and paste the code below where you want to place slideshow and change the location  and caption of the images.

<script type="text/javascript"> 

var i = 0; 

var image = new Array();   

// LIST OF IMAGES 

image[0] = "image_1.gif"; 

image[1] = "image_2.gif"; 

image[2] = "image_3.gif";    

var k = image.length-1;    

var caption = new Array(); 

// LIST OF CAPTİONS  

caption[0] = "Caption for the first image"; 

caption[1] = "Caption for the second image"; 

caption[2] = "Caption for the third image";   

function swapImage(){ 

var el = document.getElementById("mydiv"); 

el.innerHTML=caption[i]; 

var img= document.getElementById("slide"); 

img.src= image[i];  

if(i < k ) { i++;}  

else  { i = 0; } 

setTimeout("swapImage()",5000);  

} 

function addLoadEvent(func) { 

var oldonload = window.onload; 

if (typeof window.onload != 'function') { 

window.onload = func; 

} else  { 

window.onload = function() { 

if (oldonload) { 

oldonload(); 

} 

func(); 

} 

} 

}  

addLoadEvent(function() { 

swapImage(); 

});  

</script> 

<table style="border:3px solid #00aaff;background-color:#00aaaa;"> 

<tr> 

<td> 

<img name="slide" id="slide" alt ="my images" height="285" width="485" src="image_1.gif"/> 

</td> 

</tr> 

<tr> 

<td align="center"style="font:small-caps bold 15px georgia; color:blue;"> 

<div id ="mydiv"></div> 

</tr> 

</td> 

</table> 
 

Demo slideshow for the above code

If you wanted to make other JavaScript or CSS image slideshow with different effects, may visit the following posts.

• How to Create JavaScript Image Slideshow with LInks

• How to create fade effect image slideshow using CSS

• How to Create Simple JavaScript Fade Effect Animation?

• Simple JavaScript Fade Effect Animation Using Jquery

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Solved MCQ of Oracle and Distributed Database set-4

1. ………………….. is the collection of memory structures and Oracle background processes that operates against an Oracle database.

A) Database

B) Instance

C) Tablespace

D) Segment

2. A ………………………… is a logical grouping of database objects, usually to facilitate security, performance, or the availability of database objects such as tables and indexes.

A) tablespace

B) segments

C) extents

D) blocks


3. A tablespace is further broken down into …………………

A) tablespace

B) segments

C) extents

D) blocks

4. ……………………….. is a contiguous group of blocks allocated for use as part of a table, index, and so forth.

A) tablespace

B) segment

C) extent

D) block


5. ……………… is the smallest unit of allocation in an Oracle database.

A) Database

B) Instance

C) Tablespace

D) Database Block


6. An Oracle ………………………..is a set of tables and views that are used as a read-only reference about the database.

A) Database dictionary

B) Dictionary table

C) Data dictionary

D) Dictionary


7. A data dictionary is created when a …………………. created.

A) Instance

B) Segment

C) Database

D) Dictionary


8. An Oracle object type has two parts the …………………. and …………………….

A) Instance and body

B) Segment and blocks

C) Specification and body

D) Body and segment


9. By, default, Oracle object types are ………………………

A) INSTANTIABLE

B) NOT INSTANTIABLE

C) FINAL

D) OVERRIDING


10. A method modifier tells Oracle that new subtypes may not override a method is called …………….

A) INSTANTIABLE

B) NOT INSTANTIABLE

C) FINAL

D) OVERRIDING

Answers:

1. B) Instance

2. A) tablespace

3. B) segments

4. C) extent

5.  D) Database Block

6.  C) Data dictionary

7.  C) Database

8.  C) Specification and body

9.  A) INSTANTIABLE

10. C) FINAL

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Solved MCQ of Oracle and Distributed Databases set-3

1. The …………………… consists of physical files and memory components.

A) Oracle Client

B) Oracle Server

C) Oracle Middleware

D) Oracle Instance


2. The ……………………… consists of the memory components of Oracle and various background processes.

A) Oracle Parameter

B) Oracle Profile

C) Oracle Process

D) Oracle Instance


3. The Oracle Instance is made up of the ………………………. and the background processes.

A) System Global Area (SGA)

B) Oracle Global Area (OGA)

C) Program Global Area (PGA)

D) Private SQL Area (PSA)


4. The background processes of the Oracle instance are responsible for performing …………………. I/O functions.

A) Synchronous

B) Asynchronous

C) Both of the above

D) None of the above


5. The PGA is used to process ………………………… and to hold logon and other session information.

A) SQL Statements

B) Server Processes

C) User Processes

D) Shared Statements


6. In SGA, the contents of the memory area are shared by multiple users is called as …………………..

A) Redo Log Buffer

B) Database Buffer Cache

C) Shared Pool

D) Large Pool


7. In Oracle Database ………………….. Contain the data dictionary and user created data.

A) Data Files

B) Control Files

C) Redo Log Files

D) Password Files


8. The ………………………….. keeps a record of the names, size locations different physical files of the Oracle Database.

A) Data File

B) Control File

C) Redo Log File

D) Password File


9. In Oracle Database, ……………………………… is used to hold the names of privileged users who have been granted the SYSDBA or SYSOPR roles.

A) Data File

B) Control File

C) Redo Log File

D) Password File


10. In Oracle, the end of the transaction is recorded in the ……………………….. files.

A) Data

B) Control

C) Redo Log

D) Password

Answers:

1. B) Oracle Server
2. D) Oracle Instance
3. A) System Global Area (SGA)
4. B) Asynchronous
5. A) SQL Statements
6. C) Shared Pool
7. A) Data Files
8. B) Control File
9. D) Password File
10. C) Redo Log

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MCQ of Java With Answer set-7

1. The .................. and .................... classes are abstract classes that support reading and writing of byte streams.
A) reader, writer
B) inputstream, outputstream
C) objectinputstream, objectoutputstream
D) none

2. What is the error in the following code?
     class Test
     {
         abstract void display( );
     }

A) No error
B) Method display( ) should be declared as static
C) Test class should be declared as abstract
D) Test class should be declared as public

3. A package is a collection of
A) classes
B) interfaces
C) editing tools
D) classes and interfaces

4. Which of the following methods belong to the string class?
A) length( )
B) compare To ( )
C) equals ( )
D) All of them

5. What will be the output of the following code?
    byte x=64, y;
    y= (byte) (x<<2);
    System.out.println(y);

A) 0
B) 1
C) 2
D) 64

6. If m and n are int type variables, what will be the result of the expression
    m%n
    when m=5 and n=2 ?
A) 0
B) 1
C) 2
D) None of the above

7. Which of the following control expressions are valid for an if statement?
A) An integer expression
B) A Boolean expression
C) Either A or B
D) Neither A nor B

8. The concept of multiple inheritance is implemented in Java by
A) extending two or more classes
B) extending one class and implementing one or more interfaces
C) implementing two or more interfaces
D) both B and C

9. Which of the following do not represent legal flow control statements?
A) break;
B) return;
C) exit();
D) continue outer;

10. Data input is
A) an abstract class defined in java.io
B) a class we can use to read primitive data types
C) an interface that defines methods to open files.
D) an interface that defines methods to read primitive data types.

Answers:

1.  B) inputstream, outputstream

2.  C) Test class should be declared as abstract

3.  D) classes and interfaces

4.  D) All of them 

5.  A) 0

6.  B) 1

7.  B) A Boolean expression

8.  D) both B and C

9.  C) exit();

10.D) an interface that defines methods to read primitive data types.

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Solved Multiple Choice Questions of C++ set-4

1. In C++ ..................... operator is used for Dynamic memory allocation.
A) Scope resolution
B) Conditional
C) New
D) Membership access

2. Operators such as ...................... cannot be overloaded.
A) +
B) ++
C) : :
D) = =

3. The ...................... objects have values that can be tested for various error conditions.
A) osstream
B) ofstream
C) stream
D) ifstream

4. Which function return the current position of the get or put pointer in bytes.
A) tellg( )
B) tellp( )
C) tell( )
D) Both A and B

5. The first index number in an array starts with ............................ and the index number of an array of size n will be ............
A) 0, n-1
B) 1, n-1
C) 0, n
D) 1, n

6. To overload an operator ..................... keyword must be used along with the operator to be overloaded.
A) Over
B) Overload
C) Void
D) Operator

7. What is the output of the program
#include<iostream.h>

void main()
{
     int n=1;
     cout<<endl<<"The numbers are;"<<endl;
     do
           {

cout <<n<<"\t";
n++;
           } while (n<=100);
     cout <<endl;
 }

A) Print natural numbers 0 to 99
B) Print natural numbers 1 to 99
C) Print natural numbers 0 to 100
D) Print natural numbers 1 to 100

8. Everything defined at the program scope level (ie. outside functions and classes) is said to be ...............
A) local scope
B) regional scope
C) global scope
D) static scope

9. Because the lifetime of a local variable is limited and determined automatically, these variables are also called ............................
A) automator
B) automatic
C) dynamic
D) static

10. ................ allows that a section of a program is compiled only if the defined constant that is specified as the parameter has been defined, independently of its value.
A) #ifdef
B) #if
C) #define
D) #ifd

Answers

1. C) New
2. C) : :
3. D) ifstream
4. B) tellp( )
5. A) 0, n-1
6. D) Operator
7. D) Print natural numbers 1 to 100
8. C) global scope
9. B) automatic
10. A) #ifdef

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MCQ Questions of C++ With Answers set-3

1. When a function is defined inside a class, this function is called ………….

A) Inside function

B) Class function

C) Inline function

D) Interior function

2. Which of the following cannot be passed to a function?

A) Reference variable

B) Arrays

C) Class objects

D) Header files

3. State true of false.

i) We cannot make the function inline by defining a function outside the class.

ii) A member function can be called by using its name inside another member function of the same class, this is known as nesting of member function.

A) True, True

B) True, False

C) False, True

D) False, False

4. Which of the following operators could be overloaded?

A) Size of

B) +

C) +=

D) ::

5. Which of the following is true about the static member variable in C++.

i) It is initialized to zero when the first object of its class is created. Other initialization is also permitted.

ii) It is visible only within the class, but its lifetime is the entire program.

A) i-True, ii-True

B) ii-False, ii-True

C) i-True, ii-False

D) i-False, iii-False

6. Which of the following keywords are used to control access to a class member?

A) default

B) break

C) protected

D) goto

7. What will be the values of x, m and n after execution of the following statements?

Int x, m, n;

 m=10;

n=15;

                x= ++m + n++;

A) x=25, m=10, n=15

B) x=27, m=10, n=15

C) x=26, m=11, n=16

D) x=27, m=11, n=16

8. The major goal of inheritance in C++ is

A) To facilitate the conversion of data types

B) To help modular programming

C) To facilitate the re usability of code

D) To extend the capabilities of a class

9. A variable is defined within a block in a body of a function. Which of the following are true?

A) It is visible throughout the function.

B) It is visible from the point of definition to the end of the program.

C) It is visible from the point of definition to the end of the block.

D) It is visible throughout the block.

10. The friend functions are used in situations where

A) We want to exchange data between classes

B) We want to have access to unrelated classes

C) Dynamic binding is required

D) We want to create versatile overloaded operators.

Answers

1. C) Inline function

2.   D) Header files

3.   C) False, True

4.   B) +

5.   B) ii-False, ii-True

6.   C) protected

7.   C) x=26, m=11, n=16

8.   C) To facilitate the reusability of code

9.   D) It is visible throughout the block.

10.  A) We want to exchange … classes

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Java Multiple Choice Questions With Answers set-6

1. JSP embeds in ................ in ......................

A) Servlet, HTML

B) HTML, Java

C) HTML, Servlet

D) Java, HTML

2. The class at the top of exception class hierarchy is ..........................

A) ArithmeticException

B) Throwable

C) Class

D) Exception

3. In a java program, package declaration .................... import statements.

A) must precede

B) must succeed

C) may precede or succeed

D) none

4. The class string belongs to ................... package.

A) java.awt

B) java.lang

C) java.applet

D) java.string

5. ............... package is used by compiler itself. So it does not need to be imported for use.

A) java.math

B) java.awt

C) java.applet

D) java.lang

6. State true or false for the following statements in Java.

i) Java beans slow down software development process.

ii) Java Servlets do not have built in multithreading feature.

A) i-false, ii-false

B) i-false, ii-true

C) i-true, ii-false

D) i-true, ii-true

7. State whether true or false.

i) init( ) of servlet is called after a client request comes in 

ii) Servlets are ultimately converted into JSP

A) i-false, ii-false

B) i-false, ii-true

C) i-true, ii-false

D) i-true, ii-true

8. What will be the result of compiling following code.

public class MyClass{
     public static void main(String args[]){
           System.out.println("In first main()");
     }
public static void main(char args[]){
          System.out.println('a');
     }
}

A) Code will not compile and will give "Duplicate main() method declaration" error

B) Code will compile correctly but will give a runtime  exception

C) Code will compile correctly and will print "In first main()" (without quotes) when it is run

D) Code will compile correctly and will print "a" (without quotes) when it is run

9.Match the following. 

a) Java                      1) is a tool for debugging java program

b) Javah                    2) is a tool for creating C-like header files

c) Javap                    3) runs java bytecode

d) jdb                        4) prints java code representation

A) a-3, b-2,c-1

B) a-3, b-2, c-4, d-1

C) a-1, b-2, c-3, d-4

D) a-2, b-1, c-3, d-4

10.State true or false.

i) init() is called after start() in applet

ii) applets are used for networking

iii) inheritance is a part of Java Foundation Classes

iv) final does not prevent inheritance

A) i-true, ii-true, iii-false, iv-true

B) i-false, ii-false, iii-false, iv-false

C) i-true, ii-true, iii-true, iv-true

D) i-true, ii-false, iii-false, iv-false

Answers:

1.  D) Java, HTML

2.  B) Throwable

3.  A) must precede

4.  B) java.lang

5.  D) java.lang

6.  A) i-false, ii-false

7.  A) i-false, ii-false

8.  C) Code will compile correctly and will print "In first main()" (without quotes) .. run

9.  B)  a-3, b-2, c-4, d-1

10.B) i-false, ii-false, iii-false, iv-false

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