A conditional statement is a statement that specifies whether some associated statement(s) should be executed or not.. C++ supports two basic kind of conditionals: if statements (which we introduced in lesson 4.10 -- Introduction to if statements, and will talk about further here) … The if-else statement in C is based on some particular conditions to perform the operations. The calculation is 3.937 inches. This means that it can be inlined into expressions, unlike if-statements, in C-like languages: Any non-zero value is considered true in C. Zero is considered false. In the second form of syntax, which uses else, the second statement is executed if expression is false. The first category of control flow statements we’ll talk about are the conditional statements. This statement evaluates the return of the ready() function. If you press “c” then the block of statements inside the curly braces will execute. The following are examples of the if … evaluated-when-true : evaluated-when-false. if statement in C/C++. The if statement allows you to control if a program enters a section of code or not based on whether a given condition is true or false. If statements in C++. One of the important functions of the if statement is that it allows the program to select an action based upon the user's input. So this statement is always true: "); } } else { Console.WriteLine("The character isn't an alphabetic character. Example explained. Being able to set up conditional blocks of code is a fundamental principal of writing software. However, if the time was 14, our program would print "Good day." One of the single most important statements in every programming language is the if statement. Conditional statements execute sequentially when there is no condition around the statements. If you put some condition for a block of statements, the execution … if statement is the most simple decision making statement. The if statement. "); } else { Console.WriteLine("The character is uppercase. It is always legal in C programming to nest if-else statements, which means you can use one if or else if statement inside another if or else if statement (s). Else If statement in C effectively handles multiple statements by sequentially … "); } //Sample Output: //Enter a character: 2 //The character isn't an alphabetic character. C - nested if statements. Conditional Statements in C programming are used to make decisions based on the conditions. C and C-like languages have a special ternary operator for conditional expressions with a function that may be described by a template like this: condition ? Console.Write("Enter a character: "); char c = (char)Console.Read(); if (Char.IsLetter(c)) { if (Char.IsLower(c)) { Console.WriteLine("The character is lowercase. It is used to decide whether a certain statement or block of statements will be executed or not i.e if a certain condition is true then a block of statement is executed otherwise not. If and only if the given condition is valid, the operations listed in if block is executed. Remember that cm = 0.3937. With both forms, control then passes from the if statement to the next statement in the program unless one of the statements contains a break, continue, or goto. If the function returns a true value, the statements belonging to if are run. In the example above, time (22) is greater than 10, so the first condition is false.The next condition, in the else if statement, is also false, so we move on to the else condition since condition1 and condition2 is both false - and print to the screen "Good evening". The ability to control the flow of your program, letting it make decisions on what code to execute, is valuable to the programmer. 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