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Tuesday, March 31, 2020

C++ Language

Print Hello World


// Your First C++ Program

#include <iostream>

int main() {
    cout << "Hello World!";
    return 0;
}


  • Output:
Hello World!        

Let us look at the various parts of the above program -

  • The C++ language defines several headers, which contain information that is either necessary or useful to your program. For this program, the header <iostream> is needed.
  • The line using namespace std; tells the compiler to use the std namespace. Namespaces are a relatively recent addition to C++.
  • The next line '// main() is where program execution begins.' is a single-line comment available in C++. Single-line comments begin with // and stop at the end of the line.
  • The line int main() is the main function where program execution begins.
  • The next line cout << "Hello World"; causes the message "Hello World" to be displayed on the screen.
  • The next line return 0; terminates main( )function and causes it to return the value 0 to the calling process...


C Language

Print Hello World






#include<stdio.h>
#include<conio.h>
int main()
{
clrscr();
print("HELLO WORLD");
getch();
}

  • Output:
HELLO WORLD

Let us look at the various parts of the above program -


> #include<stdio.h> With this line of code we include a file called stdio.hThis file lets us use certain commands for input or output which we can use in our program.

> int main() The int is what is called the return value (in this case of the type integer).

   > printf("Hello World");The printf is used for printing things on the screen, in this case the words: Hello World. As you can see the data that is to be printed is put inside round brackets. The words Hello World are inside inverted ommas, because they are what is called a string.





Monday, March 30, 2020

HTML Syntax

HTML Syntax Here

HTML is Hyper Text Markup Language.



<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
  <h1>Syntaxhere</h1>
</body>
</html>