Conditional Statements in C++: if , if..else, if-else-if and nested if

The flow of a program is managed using conditional statements in C++. If a condition is true inside the ifstatement, the body of the statement executes. If false, elseis used to specify an alternate course of action. You can check several criteria sequentially using the else-ifstatement and learn C++ from scratch. For multi-way branching based on the result of an expression, use the switch statement. You can also check our C++ Certification Course for in-depth knowledge of C++.
Types of Conditional Statements in C++

The first kind of conditional statement i.e. if...else statements in C++. We'll discuss the switch statement in the next tutorial switch statement in C++.
Variants of if-else statements in C++

We have four variants of if-else statements in C++. They are: if statement in C++ if-else statement in C++ if else-if ladder in C++ nested if statement in C++
if statement in C++

if statements in C++ are one of the most simple statements for deciding in a program. When you want to print any code only upon the satisfaction of a given condition, go with the simple if statement.In the if statement, the test condition is in (). If the testcondition becomes true, the body of the if block executes else no statement of the if block gets printed.
if-else statement in C++

It is an extension of the if statement. Here, there is an if block and an else block. When one wants to print output for both cases - true and false, use the if-else statement.
nested if statement in C++

We can include an if-else block in the body of another if-else block. This becomes a nested if-else statement.
if else-if ladder in C++

In C++, the if-else-if ladder helps the user decide from among multiple options. The C++ if statements are executed from the top down. As soon as one of the conditions controlling the if is true, the statement associated with that if is executed, and the rest of the C++ else-if ladder is bypassed. If none of the conditions is true, then the final statement will be executed.
if else-if ladder in C++

It is an extension of the if-else statement. If we want to check multiple conditions if the first ifcondition becomes false, use the if else-if ladder. If all the if conditions become false the else block gets executed.Theif else-ifladder is shown in this section of C++ code. It sequentially compares the value of Ato several conditions. It outputs "A is 20"as the condition matched and comes out of the ladder.
C++ Conditional ? : Operator

where Exp1, Exp2, and Exp3 are expressions. Notice the use and placement of the colon. The value of a ? expression is determined like this: Exp1 is evaluated. If it is true, then Exp2 is evaluated and becomes the value of the entire ? expression. If Exp1 is false, then Exp3 is evaluated and its value becomes the value of the expression. The ? is called a ternary operator because it requires three operands and can be used to replace if-else statements, which have the following form −
What is a control statement in C++?

A C++ control statement redirects the flow of a program in order to execute additional code. These statements come in the form of conditionals (if-else, switch) and loops (for, while, do-while). Each of them relies on a logical condition that evaluates to a boolean value in order to run one piece of code over another.

Requirement

Conditional statements are a fundamental part of any programming language, including C++. They allow you to make decisions in your code, execute specific blocks of code based on certain conditions, and control the flow of your program. In this blog, we will dive into conditional statements in C++ and explore how they work, why they are essential, and how to use them effectively.

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