Conditions and If Statements|| C++ Complete Course || Beginners to Advance| Urdu/Hindi | BJM Techn
C++ supports the usual logical conditions from mathematics:
Less than: a ( b
Less than or equal to: a (= b
Greater than: a ) b
Greater than or equal to: a )= b
Equal to a == b
Not Equal to: a != b
Use if to specify a block of code to be executed, if a specified condition is true
Use else to specify a block of code to be executed, if the same condition is false
Use else if to specify a new condition to test, if the first condition is false
Use switch to specify many alternative blocks of code to be executed
Use the else statement to specify a block of code to be executed if the condition is false.
Syntax:
if (condition) { // block of code to be executed if the condition is true} else { // block of code to be executed if the condition is false}
Use the else if statement to specify a new condition if the first condition is false.
Syntax
if (condition1) { // block of code to be executed if condition1 is true} else if (condition2) { // block of code to be executed if the condition1 is false and condition2 is true} else { // block of code to be executed if the condition1 is false and condition2 is false}
Short Hand If...Else (Ternary Operator)
There is also a short-hand if else, which is known as the ternary operator because it consists of three operands. It can be used to replace multiple lines of code with a single line. It is often used to replace simple if else statements:
SYNTAX:
variable = (condition) ? expressionTrue : expressionFalse
What is C++?
C++ is a cross-platform language that can be used to create high-performance applications.
C++ was developed by Bjarne Stroustrup, as an extension to the C language.
C++ gives programmers a high level of control over system resources and memory.
The language was updated 4 major times in 2011, 2014, 2017, and 2020 to C++11, C++14, C++17, C++20.
Why Use C++ ?
C++ is one of the world's most popular programming languages.
C++ can be found in today's operating systems, Graphical User Interfaces, and embedded systems.
C++ is an object-oriented programming language which gives a clear structure to programs and allows code to be reused, lowering development costs.
C++ is portable and can be used to develop applications that can be adapted to multiple platforms.
C++ is fun and easy to learn!
As C++ is close to C, C# and Java, it makes it easy for programmers to switch to C++ or vice versa.
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