diff --git a/README.md b/README.md index 0711d91..b9a64e6 100644 --- a/README.md +++ b/README.md @@ -1,2 +1,45 @@ # C-plusplus-programming-for-beginners + +**helloworld.cpp** +================================================================ If you're new to programming, this tutorial will show you how to program from scratch using c++ programming language using a simple example with comprehensive explanations. + +Note: +1. Any line that starts with /* and ends with */ are comments, it doesn't make any changes to your code. Allows the programmer to add a description about the code. It's also called multiline comment. +2. Anything after double forward slash or // to the end of the line is also considered to be a single line comment of the code. + +Line 6 defines the scope of the identifiers used in the program. + +The iostream header file should be included at the beginning of all programs that use input/output statements. + +This code contains only one function, main (). + +Every c++ program must have main() function. + +As usual, execution begins at main() function. + +The statement on line 8 causes the string in quotation marks to be displayed on the screen. + +In c++, every main function should end with a return(0) statement, otherwise a warning or an error can occur. + +**Reading-user-input.cpp** +================================================================================================================================================================================ + + +Now we've got four statements within the main function, these are: + +* Line 4 is used to declare a variable with an integer data type, +* Line 5 to give instructions to the user, +* Line 6 to read input from the user and +* Line 7 to display the user input back to the screen. + +**ifStatement.cpp** +================================================================================================================================================================================ + +* Line 4 and 5 are used to declear and intialize the variable +* Line 6 checks for the condition if the expression given to if statmenet is true, then the if block will be executed, +* Otherwise the else block will be executed +* Note: + else part doesn't take any condition expression like the 'if' + + diff --git a/Reading-user-input.cpp b/Reading-user-input.cpp new file mode 100644 index 0000000..4808749 --- /dev/null +++ b/Reading-user-input.cpp @@ -0,0 +1,9 @@ +#include +using namespace std; +int main() { +int num; +cout << "Please input your age."; // c++ statement. +cin>>num; //reading value from the users. +cout<<"Your age is : "< +#include //header using namespace std; int main() { -cout << "Hello World!"; +cout << "Hello World!"; // c++ statement return 0; -} +} //end of the main function/ program diff --git a/ifStatement.cpp b/ifStatement.cpp new file mode 100644 index 0000000..5df292b --- /dev/null +++ b/ifStatement.cpp @@ -0,0 +1,12 @@ +#include +using namespace std; +int main() { +int a = 3; +int b = 4; +if(a>b){ +cout< pFad - Phonifier reborn

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