Dart/5_Control_Follow.dart at master · uzzal-mondal/Dart · GitHub

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void main(){


  // if else
  // conditional expression
  // Switch and case statement.


  // if and else statement


  var salary = 30000;
  if(salary>20000){

    print("Congrat's that's your promotion  salary");
  } else{

    print("don't increase in your salary");

  }

  //if else if ladder statements


  var marks = 0;

  if(marks>=80 && marks<=100){
    print("Your Result is A+ $marks");
  }else if(marks>=70 && marks<=79){
    print("Your Result is A $marks");
  }else if(marks>=60 && marks<=69){
    print("Your Result is A- $marks");
  }else if(marks>=50 && marks<=59){
    print("Your Result is B $marks");
  }else if(marks>=40 && marks<=49){
    print("Your Result is C $marks");
  }else if(marks>=33 && marks<=39){
    print("Your Result is D $marks");
  }else{
    print("You have fail $marks");
  }


}