If Else And Nested If Else Conditional Statement In Flutter

import 'package:flutter/material.dart';

void main(){
  runApp(MyApp());
}


class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> with SingleTickerProviderStateMixin {
  void checkMethodSimple(int value) {
    if(value > 200)
    {
      print('Value is Bigger than 200');
    }
    else{
      print('Value is Smaller than 200');
    }
  }

  void checkMethodNested(int value){
    if( value > 200 )
    {
      print("Value is Grater than 200.");
    }
    else if(value < 200)
    {
      print("Value is Less than 200.");
    }
    else if(value == 200)
    {
      print("Entered Value is 200");
    }
    else
    {
      print("Sorry, Value not matched.");
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Colors.lightGreen,
        title: Text('If Else & Nested IF Else Conditional Statement'),
      ),
            body: Center(
                child: Column(
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: <Widget>[
                      Container(
                          child: RaisedButton(
                            onPressed: () => checkMethodSimple(7),
                            child: Text('Call Simple IF-Condition'),
                            textColor: Colors.white,
                            color: Colors.green,
                          )
                      ),
                      Container(
                          child: RaisedButton(
                            onPressed: () => checkMethodNested(200),
                            child: Text('Call Nested IF-Condition'),
                            textColor: Colors.white,
                            color: Colors.indigo,
                          )
                      )

                    ])
            )
    );
  }
}