String Interpolation trong Dart

var name = 'Alice';
var age = 25;
 
print('Hello, $name!');
print('I am $age years old');

var a = 10;
var b = 20;
 
print('Sum: ${a + b}');
print('Max: ${a > b ? a : b}');

var numbers = [1, 2, 3, 4, 5];
 
print('Count: ${numbers.length}');
print('Sum: ${numbers.reduce((a, b) => a + b)}');

var name = 'Bob';
var items = ['Apple', 'Banana'];
 
var message = '''
Hello, $name!
You have ${items.length} items:
${items.join(', ')}
''';