Dart Programming Examples

Dart Programming - Type Test Operator is! Example

dart

void main() { 
   double  n = 2.20; 
   var num = n is! int; 
   print(num); 
}

Dart Programming - Type Test Operator is Example

dart

void main() { 
   int n = 2; 
   print(n is int); 
}

Dart Programming - Equality and Relational Operators

dart

void main() { 
   var num1 = 5; 
   var num2 = 9; 
   var res = num1>num2; 
   print('num1 greater than num2 ::  ' +res.toString()); 
   res = num1<num2; 
   print('num1 lesser than  num2 ::  ' +res.toString()); 
   res = num1 >= num2; 
   print('num1 greater than or equal to num2 ::  ' +res.toString()); 
   res = num1 <= num2; 
   print('num1 lesser than or equal to num2  ::  ' +res.toString()); 
   res = num1 != num2; 
   print('num1 not equal to num2 ::  ' +res.toString()); 
   res = num1 == num2; 
   print('num1 equal to num2 ::  ' +res.toString()); 
}

Dart Programming Arithmetic Operators

dart

void main() { 
   var num1 = 101; 
   var num2 = 2; 
   var res = 0; 
   res = num1+num2; 
   print("Addition: ${res}"); 
   res = num1-num2;
   print("Subtraction: ${res}"); 
   res = num1*num2; 
   print("Multiplication: ${res}"); 
   res = num1/num2; 
   print("Division: ${res}"); 
   res = num1~/num2; 
   print("Division returning Integer: ${res}"); 
   res = num1%num2; 
   print("Remainder: ${res}"); 
   num1++; 
   print("Increment: ${num1}"); 
   num2--; 
   print("Decrement: ${num2}"); 
}

Dart Programming - Const Keyword

dart

void main() { 
   final v1 = 12; 
   const v2 = 13; 
   v2 = 12; 
}

Dart Programming - Final Keyword

dart

void main() { 
   final val1 = 12; 
   print(val1); 
}

Dart Programming - Dynamic Keyword

dart

void main() { 
   dynamic x = "tom"; 
   print(x);  
}

Dart Programming - Dart and Object Orientation Example

dart

class TestClass {   
   void disp() {     
      print("Hello World"); 
   } 
}  
void main() {   
   TestClass c = new TestClass();   
   c.disp();  
}

Dart Programming - Enabling Checked Mode

dart

void main() { 
   int n="hello"; 
   print(n); 
}

Dart Programming - First Code

dart

main() { 
   print("Hello World!"); 
}

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