Quick Answer: Do I Need Else After ELSE IF?

How do I avoid if else?

Avoid Sequences of if…else StatementsApply Object-Oriented Programming.

The first reflex when writing such thing – yes, please don’t wait for the poor guy coming after you to clean your mess, should be to ask yourself whether applying basic Object-Oriented Programming couldn’t help you.

Use a Map.

More than a return.

Conclusion..

How do you avoid nested if statements?

Nested IFs are powerful, but they become complicated quickly as you add more levels. One way to avoid more levels is to use IF in combination with the AND and OR functions. These functions return a simple TRUE/FALSE result that works perfectly inside IF, so you can use them to extend the logic of a single IF.

How do you optimize multiple conditions?

A very simple optimization can be: void odd_even(int n)…If there are multiple if else in your program, than ask yourself 3 questions:Can they all be generalized by using a loop, or better encapsulating them in a independent function?Can the conditions be replaced by switch-case block.?More items…

What is the difference between if and if else blocks in scratch?

If () Then (block) The block checks its boolean condition. If the condition is true, the blocks held inside it will run, and then the script involved will continue. If the condition is false, the code inside the block will be ignored and the script will move on (unlike in the If () Then, Else block).

What is else if condition?

Conditional Statements 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.

How many else if can you have?

Answer 514a8bea4a9e0e2522000cf1. You can use multiple else if but each of them must have opening and closing curly braces {} . You can replace if with switch statement which is simpler but only for comparing same variable.

What is the difference between if else and nested if else?

The block of code following the else statement is executed as the condition present in the if statement is false. A nested if in C is an if statement that is the target of another if statement. Nested if statements means an if statement inside another if statement.

Can you have an empty else statement?

Speaking of general if-else blocks, it is not necessary to have an empty else block. Not including an empty else block does not make the code any more unsafe and including an empty else block does not make the code any more safe.

What can we use instead of if else?

Use a Ternary Operator! this is all you need! it is only one line and it is pretty neat, way shorter than switch and if! Naturally, this question is language-dependent, but a switch statement might be a better option in many cases.

Whats the difference between IF and ELSE IF?

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.

What is the point of ELSE IF?

The if/else statement With the if statement, a program will execute the true code block or do nothing. With the if/else statement, the program will execute either the true code block or the false code block so something is always executed with an if/else statement.