Besides rapid arithmetic calculations and other capabilities, the computer is also capable of quick decision making and repetition. How the flow of the syntax of the nested if statement works is like if statement will check for the first condition then if it gets satisfied with a true value then it will check for the 2nd condition. If the condition result is TRUE, then the statements present in that block will run. If the test expression is evaluated to true, statements inside the body of if are executed. An Example will be good to illustrate the working concept of Nested if statement. Output: c is largest if-else if Ladder. The code block will be ignored in the case of a falseresult, and the program will skip to the next section. 3. Conditional code flow is the ability to change the way a piece of code behaves based on certain conditions. The most fundamental of the conditional statements is the if statement. { 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". This is known as nested if statement. } This chain generally looks like a ladder hence it is also called as an else-if ladder. When using if , else if , else statements there are few points to keep in mind. The only difference is if-else statement is used when one or two choice needs to be evaluated while else if the statement is useful when there is a need for a multipath decision. if (g1 != g2) else Here, a user can decide among multiple options. Else If Statement in C … Verify True statements of 2nd condition; An if statement will evaluate whether a statement is true or false, and only run if the statement returns true. Here, if any logical condition is true the compiler executes the block followed by if condition otherwise it skips and executes else block. Every person is eligible for working once he or she is above 18 years otherwise not eligible. C If else statement. ALL RIGHTS RESERVED. return 0; { In this guide, we will learn how to use if else, nested if else and else if statements in a C Program. With the above-illustrated programs, it can be very well analyzed that nested if statement plays a very critical role when it comes to condition satisfaction with the scenarios involving all the critical decision-making statements with assertions and manipulations being involved. } When a true test is found, its associated block of code is run, and the program then skips to the line following the entire if/else construction. int x = 65, y = 35, z = 2; Here is a longer examination of the basic ifst… return 0; } Flow Diagram Example. { Privacy Policy . printf("Consider as minor \n"); Nested if else statement in c In this kind of statements number of logical conditions are checked for executing various statenents. This is Part 4. 3. If the boolean-expression returns true, the statements inside the body of if ( inside {...} ) will be executed. There can be any number of else..if statement in a if else..if block. We will rewrite the same program using else..if statements. If condition returns false then the statements inside the body of “if” are skipped and the statements in “else” are executed. All the informations relating to ‘if’ condition are very useful. } Nested if statement in C plays a very pivotal role in making a check on the inner nested statement of if statement with an else very carefully. scanf("%d", &g1); We go into detail on the “if” statement.This includes the statements else, else if, and nesting if-else statements. And final nested if or else to check for the true condition. printf("x is larger than y and z "); Important Points: else If the result is FALSE, Javac verifies the Next one (Else If condition) and so on. An if can have zero or one else's and it must come after any else if's. }. You can also go through our other suggested articles to learn more –, C Programming Training (3 Courses, 5 Project). { Nested else-if is used when multipath decisions are required. This is because in this statement as soon as a condition is satisfied, the statements inside that block are executed and rest of the blocks are ignored. int g1, g2; Start Your Free Software Development Course, Web development, programming languages, Software testing & others, if ( check 1st condition) Here comes the C/C++ else statement. 1. else and else..if are optional statements, a program having only “if” statement would run fine. Your email address will not be published. Nested if-else statement. if (a >= 18 && a <= 50 ) C Nested if-else Statements - Nested if-else statements in C programming plays an important role, it means you can use conditional statements inside another conditional statement. scanf("%d",&a); { As you can see that only the statements inside the body of “if” are executed. The else can proceed another if test, so that multiple, mutually exclusive tests can be run at the same time. The boolean-expression will return either true or false. Once an else if succeeds, none of he remaining else if's or else's will be tested. else Syntax of if else statement: If condition returns true then the statements inside the body of “if” are executed and the statements inside body of “else” are skipped. { 2. 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 ladder is bypassed. printf("dig1 is the maximum"); Decision-Making Statement if, if-else, nested-if, switch case-You know that computers can perform arithmetic calculations correctly and rapidly. } with multiple if's every if condition will have to be checked. { Else if the statement is quite similar to an if-else statement. Syntax { if-else-if ladder in C/C++. { Note: If there is only one statement is present in the “if” or “else” body then you do not need to use the braces (parenthesis). Once an else if succeeds, none of he remaining else if's or else's will be tested. Therefore, we will make use of another nested if statement to check the required qualification or any other special skill or requirement gets satisfied with this. if(dig1 > dig2) else The general syntax of how else-if ladders are constructed in 'C' programming is as follows: This type of structure is known as the else-if ladder. The syntax of if-then statement in C# is: 1. printf("dig3 is the maximum"); #include If none of the conditions are met then the statements in else block gets executed. } // NestedIf - demonstrate a nested if statement // #include #include #include using namespace std; […] If condition returns true then the statements inside the body of “if” are executed and the statements inside body of “else” are skipped. return 0; In this Nested If program, User can enter his age, and we are going to store it in the variable age. In nested else if statement, the number of logical conditions can be checked for executing various statements. Lets take the same example that we have seen above while discussing nested if..else. printf("dig2 is the maximum"); #include printf("g1 is not equal to g2\n"); If the condition 1 gets satisfied i.e. } Moreover, any organization will offer a job if he or she is above 18 years otherwise no job is guaranteed it means the condition then and there becomes false. int main() { Just like relational operators, we can also use logical operators such as AND (&&), OR(||) and NOT(!). An if can have zero or one else's and it must come after any else if's. printf("Enter three numbers: "); Sometimes, we need to use an if statement inside another if statement. scanf("%d",&g2); The test-expressions are evaluated from top to bottom. C else-if Statements - else-if statements in C is like another if condition, it's used in a program when if statement having multiple decisions. Now, you are requested to share how to apply ‘and’ condition. } Its syntax is: printf("Get value for g1:"); { if (g1 > g2) Syntax of Nested if else statement: The else..if statement is useful when you need to check multiple conditions within the program, nesting of if-else blocks can be avoided using else..if statement. } Once an else statement gets failed there are times when the next execution of statement wants to return a true statement, there we need nesting of if statement to make the entire flow of code in a semantic order. { } { Nested if statement in C is the nesting of if statement within another if statement and nesting of if statement with an else statement. In this control structure we have only one “if” and one “else”, however we can have multiple “else … The if statement alone tells us that if a condition is true it will execute a block of statements and if the condition is false it won’t.But what if we want to do something else if the condition is false. In an if statement that doesn’t include an else statement, if condition is true, the then-statement runs. The following NestedIf program shows an example of a nested if statement in use. { Else If statement in C effectively handles multiple statements by sequentially executing them. If you want to execute multiple statements for the else condition, enclose the code in curly brackets. Both the then-statement and the else-statement can consist of a single statement or multiple statements that are enclosed in braces ({}). In C++, the braces of an if or an else clause can contain another if statement. Syntax: This is a guide to Nested if Statement in C. Here we discuss the Introduction to Nested if Statement in C and its Examples along with its Code Implementation. The else part of the if/else statement follows the same rules as the if part. { A conclusion can be easily made that nesting if statement to perform is fine but when it comes to deal with the false statement once it enters the else part and control needs to be executed and set to a true value then nested if it comes as a savior. C Nested else if Statement. C++ Nested if...else. printf("Age is not satisfactory according to the organization norms\n"); However, if the time was 14, our program would print "Good day." Your email address will not be published. } { Decision Making in C/C++ helps to write decision driven statements and execute a particular set of code based on certain conditions.. An if can have zero to many else if's and they must come before the else. Once an else statement gets failed there are times when the next execution of statement wants to return a true statement, there we need nesting of if statement to make the entire flow of code in a semantic order. If the age is less than 18, we are going to print two statements. In case it do not satisfies to be true it will go to else section to verify for the second condition of false statement. If condition is false, control is transferred to the next statement after the if statement. { Verify False statements of 2nd condition; Let’s take an example and understand. but on running and having both a and b as zero, the program runs as if only a == 0 and gives an incorrect output. printf("He/She is successfully eligible for Working \n"); int main() { Nested if statement in C is the nesting of if statement within another if statement and nesting of if statement with an else statement. C - nested if statements - 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). Again, if the 2nd condition gets satisfied and the value comes out to be true that set of the statement will get executed. In such situations you can use if statements.. printf("Ready for retirement and can collect pension \n"); printf("g1 is larger than g2\n"); There is a first, outer if statement, and inside it is another, inner if statement. By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to our Privacy Policy, 3 Online Courses | 5 Hands-on Projects | 34+ Hours | Verifiable Certificate of Completion | Lifetime Access, C++ Training (4 Courses, 5 Projects, 4 Quizzes), Java Training (40 Courses, 29 Projects, 4 Quizzes), Software Development Course - All in One Bundle. } Nested If in C Programming Example. Each test will proceed to the next one until a true test is encountered. } After these concepts are covered, we will start a new programming Project: Metric Converter.You will see how advanced if-else statements, along with floating point math and Logical Operators will be used in this program. ; If the test expression is evaluated to false, statements inside the body of if are not executed. printf("dig3 is the maximum"); The flow of execution goes in a way that condition 1 will get tested if it becomes false then, statement 3 will get executed.