an if-else statement is also called


Sometimes its called ternary, because the operator has three operands.

Answer:- c) Compiled Successfully, No Output.Here 1>3 hence condition becomes false because 1 is not greater than 3. In R Language, the if statement(s) is used for making a decision.

a) Hib) Helloc) Compiled Successfully, No Output.d) Compile-time errorView Answer We have used the else-if ladder construct in the above program. The so-called conditional or question mark operator lets us do that in a shorter and simpler way. Otherwise, ELSE-block is executed. Tweet a thanks, Learn to code for free. is to return one value or another depending on its condition. Islamic Quiz for PPSC Lecturer Test Perform another Quiz about Islamic Quiz 1 If you Found that the Above POSTED MCQ is/ are WRONGPLEASE COMMENT below The MCQ with the CORRECT ANSWER and its DETAILED EXPLANATION. Conditional statements execute sequentially when there is no condition around the statements. if/else if statements are often used to control program flow in menu driven programs. So, a WHILE statement is also called a Block statement. In any case, after the execution, the control will be automatically transferred to the statements appearing outside the block of If. It is one of the powerful conditional statement. Study and learn Interview MCQ Questions and Answers on Java IF ELSE IF Control Statements. Instructions can be a single instruction or a code block enclosed by curly braces { }. The Quiz is about MCQs of Computer Programing and Programming languages. An if statement is also known as a conditional statement and is used for decision-making. Using the if..else construct, write the code which asks: What is the official name of JavaScript?, If the visitor enters ECMAScript, then output Right!, otherwise output: You dont know? a) booleanb) conditionalc) iteratived) optionalView Answer If that is also falsy, it shows the last alert. There is another way to express an if-else statement is by introducing the ? Including extra variables in the model will map up some of the residual variability remaining after, MCQs from Statistical Inference cover the topics of Estimation and Hypothesis Testing for the preparation of exams and different statistical job tests in Government/ Semi-Government or Private Organization sectors. 11) The condition of an IF statement evaluates to boolean only if the expression contains? The above example could also be extended by adding as many elsif or else if statements as the program needed. And those decisions are based on the state of certain pre-defined conditions you set.

python decision making statements statement types Donations to freeCodeCamp go toward our education initiatives, and help pay for servers, services, and staff.

It acts as a fork in the road or a branch.

In this case, the condition is true hence the If a block is executed and the value is printed on the output screen. So it is always executed. We have initialized a variable with marks. This condition will only evaluate as either. Two input values will be taken from the user. So, for that reason, an if statement is accompanied by an else statement. In our program, the value of num is greater than ten hence the test-condition becomes false and else block is executed. Q5) Every IF statement must be followed by an ELSE of ELSE-IF statement. We have initialized a variable with value 19. When asked for my age I enter 16 and get the following output: The condition (age < 18) evaluates to true so the code in the if block executes. Answer:- c) IF or ELSE IF.

If the value of test-expression if false, then the false block of statements will be executed. Prepared by: Dr. Abdul Majid, Statistical Officer, Pakistan Bureau of Statistics, Regional Office Multan. The else part of the if/else statement follows the same rules as the if part. The greatest scientists of their era, Abu Jaffar Muhammad Ibn Musa Al-Khawarizmi (780-850), Alan Mathison Turing (1912-1954), and John Von Neuman (1903-1957) took part in the invention of computers. 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 following code shows the use of the if-else statement. It is either one or the other. For example, before noon (AM) and after noon (PM) are mutually exclusive. Here, the first if condition returned false, and no message is printed. Not all programming languages are the same. Let us see the actual working with the help of a program. 15) What is the maximum number of ELSE-IF statements that can present in between starting IF and ending ELSE statements? 7) State TRUE orFALSE. The use of the if-else-if statement is shown in the following example. This process will go on until the all expression is evaluated otherwise control will go out of the else-if ladder, and default statement will be printed. The second if condition checks the length of a string is less than 6 or not.

We also have thousands of freeCodeCamp study groups around the world.

Enter your email address to subscribe to this blog and receive notifications of new posts by email. Answer:- d) Compile-time errorIn Java, all variables must be declared before using it. Every IF statement must be followed by an ELSE of ELSE-IF statement. An if statement consists of a boolean expression followed by one or more statements.

You could write the above program using separate if statements such as show below but the if/else if approach is cleaner and better indicates that the program should choose either one or none of the options. The basic syntax of an if-else statement is, An if statement can be followed by an optional else-if-else statement, which is very useful to test various conditions using single if-else-if statement. Then, I will create a condition that checks whether the value contained in the variable age is less than 18. 5) State TRUE or FALSE. 10) State TRUE or FALSE. The general syntax looks something like the following: Now, let's revisit the example with the two separate if statements from earlier on: Let's re-write it using an if else statement instead: If the condition is true the code in the if block runs: If the condition is false the code in the if block is skipped and the code in the else block runs instead: But what happens when you want to have more than one condition to choose from?

An ELSE or ELSE-IF statement in Java can not exist alone without IF statement. Open Certification Helper Popup Reset Popup. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'knowprogram_com-large-mobile-banner-1','ezslot_7',178,'0','0'])};if(typeof __ez_fad_position!='undefined'){__ez_fad_position('div-gpt-ad-knowprogram_com-large-mobile-banner-1-0')};a) C styleb) C++ Stylec) Both C and C++ styled) Noneif(typeof ez_ad_units!='undefined'){ez_ad_units.push([[728,90],'knowprogram_com-box-3','ezslot_3',114,'0','0'])};if(typeof __ez_fad_position!='undefined'){__ez_fad_position('div-gpt-ad-knowprogram_com-box-3-0')};View Answer The above if statement is also called the if-else-if ladder. The else if clause lets us do that. MCQs Questions on Physical Geography and World Geography for competitive examinations. Use an if/else statement if the two conditions are mutually exclusive meaning if one condition is true the other condition must be false. Answer:- b) conditional. Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates. Required fields are marked *. are published: Tutorials4u Help. //Check the length of the string is less then 6 or not, "Password can not be less than 6 characters", // Check the input value is within the range 13-17 or not, // Check the input value equal to 'Jolly' or not, // Check the input value equal to 'Janifer' or not, // Check the input value equal to 'Jony' or not, // Check the gender is equal to 'male' or not, // Check the age is greater than 30 or not, How to call a method from another Class Java.

The if statement in R is used to run the block of statements when a certain condition met. These tests are also helpful. 30) What is the output of the Java program below? The following output will appear after executing the code. There is no such limit on the number of lines of code in any block or statement in Java. Q7) Find the output of the given Java program? If the conditional expression returns true, then a particular statement(s) will execute otherwise other statement(s) will execute. But the else block of second if-statement will be executed. Sometimes, we need to perform different actions based on different conditions.

So, all in all, the if statement makes a decision based on a condition. The four different uses of if statements are explained in this tutorial by using simple examples. d) if-else-if statement. Or, you may want to perform another, completely different action when that specific condition you set is not met.

The test-expressions are evaluated from top to bottom. Proper indenting makes it easier to see the matching. This statement makes the decision based on the Boolean value return by the statement. The following code shows the simple use of the if statement. If the end of the if/else if chain is reached without a true expression, no code blocks are executed. The act of doing one thing if a particular condition is met and a different thing if that particular condition is not met is called control flow. Copyright 2012 2022 BeginnersBook . The condition inside an IF statement should evaluate to either true/false. Syntax & Example. When we need to execute a set of statements based on a condition then we need to use control flow statements. I like to write article or tutorial on various IT topics. can return a value that depends on more than one condition. Technically, we can omit the parentheses around age > 18.

Again 25 < 20 => condition becomes false so second if-statement also will not be executed. An else if statement essentially means that "If this condition is true, do the following. 23) What is the output of the Java program with IF-ELSE-IF statements? Following programs illustrate the use of the if-else construct: In C programming we can use multiple if-else constructs within each other which are referred to as nesting of if-else statements.

If it isn't, do this instead.

This example will do the same thing as the previous one: But parentheses make the code more readable, so we recommend using them. Then, we have used if with a test-expression to check which number is the smallest and which number is the largest. If the condition inside the parentheses evaluates to true, the code inside the if block will execute.

It is also known as if else if ladder. If the condition is true then and only then it will execute the inner loop. We have to find out whether the number is bigger or smaller than 10 using a C program. 12) If the condition of an IF-statement is false, which is true below. When any if statement is declared inside another if statement, then it is called nested if. To learn more about the C programming language, check out the following free resources: Thank you so much for reading and happy coding :), Learning something new everyday and writing about it, If you read this far, tweet to the author to show them you care. Q9) Find the output of the given Java program? You can pass and do great at the same time. Go through, Java IF ELSE IF Control Statements Interview MCQ Questions and Answers, 2. If statements are also called conditional statements. C has six relational operators that can be used to formulate a Boolean expression for making a decision and testing conditions, which returns true or false : Notice that the equal test (==) is different from the assignment operator (=) because it is one of the most common problems that a programmer faces by mixing them up. In a conditional expression the ? Sometimes, we need to assign a variable depending on a condition. Thank you! The basic syntax for creating an if statement is. You can make a tax-deductible donation here. If all conditional expressions return false, it executes the statement(s) of else part. Using if..else, write the code which gets a number via prompt and then shows in alert: In this task we assume that the input is always a number.

It checks the first conditional expression, and if it returns false, then it will check the second conditional expression and so on. 29) What is the output of the Java program? 1309 S Mary Ave Suite 210, Sunnyvale, CA 94087 21) What is the output of the Java program?