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Else if Ladder Statement in Dart

jay_tillu profile image Jay Tillu😎 ・2 min read

Else if ladder is a type of conditionals in the dart. Just like if and if-else. We use else if ladder when we want to check multiple conditions.

Syntax


if (boolean_expression) {
  //Statements to be executed if the condition is true
} else if (boolean_expression) {
  //Statements to be executed if the condition is true
} else if (boolean_expression) {
  //Statements to be executed if the condition is true
} else {
  //Statements to be executed if all the conditions are false
}
  • If the Boolean expression evaluates to be true, then the block of code inside the if statement will be executed. Otherwise, the compiler will check else-if’s condition.

  • Once any else-if’s condition is true, then all other else-if conditions will be skipped. So every else-if condition must be unique.

  • If all the else-if conditions evaluate to be false, then the else’s code block will be executed.

  • Here again, the else is optional. But if it occurs then it must be after all the else-if blocks.

Sample Code

void main() {
  int number = 2;

  if (number == 5) {
    print("Number is 5");
  } else if (number == 1) {
    print("Number is 1");
  } else if (number == 2) {
    print("Number is 2");
  } else {
    print("None of the number is matched");
  }
}

Output
Number is 2

That’s all for else if ladder statement guys. Feel free to share me if I miss something. I’ll love to learn it from you. Till Then Keep Loving, Keep Coding. I’ll surely catch you up in the next article.

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