how to use gradient color in container in flutter code example

Example 1: color gradient in flutter

decoration: BoxDecoration(
    gradient: LinearGradient(
      colors: [Colors.green, Colors.blue])
  ),

Example 2: gradient container flutter

decoration: BoxDecoration(
            gradient: LinearGradient(
                colors: [
                  const Color(0xFF3366FF),
                  const Color(0xFF00CCFF),
                ],
                begin: const FractionalOffset(0.0, 0.0),
                end: const FractionalOffset(1.0, 0.0),
                stops: [0.0, 1.0],
                tileMode: TileMode.clamp,
            ),
          ),

Example 3: add gradient bg to container in flutter

body: Container(
  decoration: BoxDecoration(
    gradient: LinearGradient(
      colors: [Colors.green, Colors.blue])
  ),
  child: Center(
    child: Text('Gradients are cool!',
      style: TextStyle(
        fontSize: 35,
        color: Colors.white,
      ),
    ),
  ),
),