SAMIR UDDIN

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Friday, August 18, 2017

Features Of Java

ØSimple
ØObject Oriented Language
ØDistributed
ØInterpreted
ØRobust
ØSecure
ØPortable
ØMulti-Threaded
ØGarbage Collector

ØSimple
Java Programming is simple to understand because OPP(Object Oriented Programming) is 100%
applicable in Java programming language.

ØObject Oriented Language
Object oriented programming is a methodology in which programs using objects and classes every problems treated as an entity which makes program designing easier.
ØDistributed
Java allows to distributes their objects from one machine to another machine because it is platform
independent language that you can able to run java program online.
ØInterpreted
Java is a interpreted programming language because basically it runs through interpreter.
ØRobust
Java programming gives the feature of fault tolerance.e(Java program design to handle any real life
situation.
ØSecure
There are lots of resion that makes Java is very secure programming language it doesn't have any
traditional pointer concept like C programming so, it is not possible to access any memory location in
Java and it save your data.It i.a a big reason that nowadays every money transaction related works is
doing through Java programming application.

Java code runs through any system through some modification or no modification.

We can able to  runs two or more  Java codes parallaly or simultaneously which is independent to
each other.  

ØGarbage Collector

Java has a garbage collector to release or remove unusable memory blocks which prevents the space
complexity of a program.Must Watch

Saturday, August 12, 2017

Java – Overview

ØJava is a high-level programming language originally developed
as a project which leaded by  James Gosling and his team members
 Patrick  Noughton ,Chris Warth,Ed Frank and Mike Sheridan at Sun
  Micro systems  and released in 1995. Java runs on a variety of
  platforms,    such as Windows, Mac OS, and the various
versions of UNIX.
  
ØJava language initially called ‘Oak’ but was renamed “Java” in 1995.
ØIn 2010 java acquire by the Oracle Corporation for  US$7.4billion.

ØTypes of Java
ØJava SE(Core Java)
ØJava EE/2E (Advanced Java)
ØJava ME (Micro edition for mobile application)



Application of Java Programming
















Saturday, August 5, 2017

How To Make gif Gift for Sharing Your Friends By Youtube

1.Open the youtube search any videos and in link of that youtube page youb just type gif before the youtube like


2.After that you may go to another page and you can set the time in which you want a gif.
























3.In next step your gif will prepare and you can dowload the gif for sharing it to your friends.

















Friday, August 4, 2017

Variable & Constant

Variable
§A variable is nothing but a name given to a storage area that our programs can manipulate. Each variable in C has a specific  data type, which determines the size of the variable's memory.
§A variable is an entity that does change.
 Numeric VariableàUsed to stores either integer values or character  values. 
 Character Variableà Used to stores Alphabet or ASCII values.
§A variable cannot be type void.  
  int a    10
*Here int is a data type of variable a whose constant value is 10       
Constant   
§A constant is an identifier   whose value doesn't change during execution of program. 
§Numeric Integer
§IntegeràSequence of digits            //23 , 102 , 154 etc…
§Real    Ã A floating point type or fractional values.     // 3.7 , 6.45 , 34.65 etc… 
Character Integer 
§Singleà     ‘a’  ‘d’  ‘g’  ‘C’ etc….
§Stringà     “samir”   “Uddin”  
§Declaring Constant
§Count float pi=3.14                       
               C Programming Made Easy                                                                                                              


  
Operators in C Programming

Arithmetic operators

 Multiply(*)
 Divide(/)
 Addition(+)
 Subtraction(-)
 Modulus(%)

Relational operator

Less than(<)
Greater than(>)
Less than equal to(<=)
Greater than equal to(>=)

Equality operator 

Equal to(==)
Not equal to(!=)

Logical operator

Logical AND (&&) 
Logical OR (||)

Unary operator


Increment operator (++)   ,  Decrement operator  (--)
Eg/    x=i++=i+1                                    x=x--=x-1  
let i=5                                        let i=5
i++=i+1=5+1=6                           i--=i-1=5-1=4

Conditional operator


exp 1 ? exp 2 : exp 3

         eg/   Large=(a>b) ? a : b    //like a if-else condition

Assignment  operator

eg/  int x
  x=10;
  x=3,y=2;
  sum=x + y;      //x=5

Sizeof  operator

 Eg /   int a=10
                result= sizeof (a) ;     //result =2 byte

Bitwise operator

§Perform operation at the bit level like bitwise OR,bitwise AND,bitwise XOR etc
Eg   10101010   10101010=11111111

Keywords & Data Types
Keywords
§It is set of reserved words .
§It is basically  a sequence of characters that have a fixed meaning.
§There are 32 keywords are present in C programming.

Eg/    auto,break,continue,case ,default,if ,else,double,enum,goto,long return,union,static,signed,unsigned,switch and void etc….  
Data type
§int-àIt is used to store integer data type. Eg/  2,4,10….
§Floatà It is used to store floating data type. eg/ 0.5, 1.45….
§Char-à It is used to store set of strings or character data type  eg/ a,b,c…z



  User Defined Data Type
    §typedef: used to rename a data type
       eg/ typedef  int  integer-à  Can use integer to declare an int
   §enum, struct, union etc are some more data types.

Errors in C Programming

   §Compilation error
 Compiler generally gives the line number at which the error is present.
§Run Time
C programs are sequential making the debugging easier.




Thursday, August 3, 2017

How to capture/record your laptop or pc screen free using software

There are lots of software which provide us screen recording feature like "Microsoft Expression Encoder4,Filmora,camptesia etc.

Steps to download and install Microsoft Expression Encoder4 and record the screen

1.Firstly you should go to google chrome or Mozilla FireFox and search for Microsoft Expression Encoder4.


2.After the downloading you can install it and open the file then you may seen a small tab and make some basic setting for recording .






3.After you can  click on record button and record laptop screen according to your needs.  

  
           



4.after recording you can stop the recording by choosing the desktop botton.              




  5.After stop recording a small tab will appears and then you should go to "send to encoder .




                



6.After open the encoder software you may manage some settings and click on file then go to the encode the video







7.Encoding  may takes some time after that you can go your default directory or where you saved the project.







8.This video is very helpful for you you must watch this...    
   












                                                              YouTube knowledge
                                                                              

Wednesday, August 2, 2017

Basic Structure of C Programming
Documentation Section
Single line comment
           //Text……
Multi line comment
              /*Multi     

                    line comment*/
Link Section
§Header Files

 #include<x.hà where x is a header file like such as :
 string.h---àfor string handling function
          stdio.h ----àfor  standardized input and output functions
                       math.h ---àfor mathematical functions 
                      alloc.h ---àfor dynamic memory allocation
         conio.h --àfor clearing the screen
         stdlib.h --àfor some miscellneous functions
 Source Code file
Contain source code of the program 
Object Files
Generated by the compiler  as a result of processing the source code
Binary Executable File
Generated by the linker  as a result of production of binary files through the object     filesthat can be directly executed on Windows  operating system in .exe extension
Definition Section
Eg/ user define header file
          #define MAX 50 etc…  
*Here MAX is a constant whose value is 50
Global Declaration Section
When the declare the variable before the main function of program  
Main Section
§It consist of Declaration part and executable part of the program
§Eg/    main()
               {
                       declaration part // int a,char b,float c etc..
                       executable part //
                 }



Subprogramming Sectio
In sub programing section we may create a function for a particular task and call to main function.
             We may create more than one function in a single program
     §Eg /         Function1()
                             Function2()
                                     ………..FunctionN()