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Decision-making statement in Dart Programming
Decision-making statements help to identify which statement/block of statements should be executed to support an expression at runtime. The choice-making statements are called conditional statements or Selection statements...
Read more: https://www.thetexvn.com/blogs/@zia/decision-making-statement-in-dart-programming-139
#dart #programming #statement #ifelse
PowerShell - If Else Statement
In PowerShell, the if statement is used for conditional execution. Here’s the basic structure of a if statement: Syntax Below is the syntax of an if…else if…else statement − if ( condition ) { commands_to_execute } [ elseif ( condition2 ) { commands_to_execute } ] [ else {commands_to_execute} ] If the boolean expression evaluates to true, then the block of code will be executed, otherwise,…
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The purpose of this blog post is to teach you how to write if else statements in C and to provide examples of them.
The if-else statement is used to perform two operations for a single condition. The if-else statement is an extension to the if statement using which, we can perform two different operations, i.e., one is for the correctness of that condition, and the other is for the incorrectness of the condition. Here, we must notice that if and else block cannot be executed simultaneously.
If-else is the basic decision making block in python. We can use one or more conditions to take a decision, if this particular block is executed or not.
Difference Between 1. Variable and Constant 2. Type Conversion and TypeCasting 3. Switch Case and If else 4. Sysntax Error and Runtime Error
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SELECTION STATEMENTS
Our professor also discussed about selection statements which includes if and else and switch.
So an if statement can be followed by an optional else statement, which executes when the boolean expression is false.
If the boolean expression evaluates to true, then the if block of code will be executed, otherwise else block of code will be executed.
EXAMPLE
When the above code is compiled and executed, it produces the following result:
if...else if...else Statement
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.
When using if , else if , else statements there are few points to keep in mind.
-An if can have zero or one else's and it must come after any else if's.
-An if can have zero to many else if's and they must come before the else.
-Once an else if succeeds, none of he remaining else if's or else's will be tested.
EXAMPLE
When the above code is compiled and executed, it produces the following result:
A switch statement allows a variable to be tested for equality against a list of values. Each value is called a case, and the variable being switched on is checked for each case.
The following rules apply to a switch statement :
>The expression used in a switch statement must have an integral or enumerated type, or be of a class type in which the class has a single conversion function to an integral or enumerated type.
>You can have any number of case statements within a switch. Each case is followed by the value to be compared to and a colon.
>The constant-expression for a case must be the same data type as the variable in the switch, and it must be a constant or a literal.
>When the variable being switched on is equal to a case, the statements following that case will execute until a break statement is reached.
>When a break statement is reached, the switch terminates, and the flow of control jumps to the next line following the switch statement.
>Not every case needs to contain a break. If no break appears, the flow of control will fall through to subsequent cases until a break is reached.
A switch statement can have an optional default case, which must appear at the end of the switch. The default case can be used for performing a task when none of the cases is true. No break is needed in the default case.
EXAMPLE
Thia would produce the following result:
Tutorial Belajar Python Part 25: Percabangan Kondisi If Else If Bahasa Python
Tutorial Belajar Python Part 25: Percabangan Kondisi If Else If Bahasa Python
Dalam tutorial sebelumnya kita telah membahas tentang perulangan If Else, yakni sebuah percabangan kode program dimana jika kondisi If bernilai True, maka jalankan perintah yang ada di dalam blok If tersebut. Namun jika kondisi bernilai False, maka jalankan kode program di dalam blok Else.
Kali ini kita akan lanjut membahas percabangan If Else If, yang boleh disamakan dengan “menyambung” beberapa…
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