Programming Point

Let’s start to introduction of data structure Data is an integral part of an application or program .It defines a program ,so program is nothing ,Set of instructions to perform on data to get some output.Then without data there are no instructions enough . no use of instructions , The term of data we use many palace like  Data sturcture  DataBases  Data Warehouse  Big Data  Let's start by introducing the data structure. Data Structure Data structure is the arrangement and collocation of data items . so that can be utilized and perform operations on data efficiently.Its all about arrangement and  efficient operation on data. That question is where inside the main memory during execution of the program.   So,without data structure there is no application.  Every Application will have a set of instructions to perform on data.So that data is mondetry ,where it will capture the data inside main memory. So, during the program execution how will the...

  A widget displaying the string text with a single style is called text widget. import 'package:flutter/cupertino.dart' ; import "package:flutter/material.dart" ; void main () { runApp( MyApp ()) ; } class MyApp extends StatelessWidget { @override Widget build (BuildContext context) { // TODO: implement build return MaterialApp ( home: Scaffold ( backgroundColor: Colors. teal , body: SafeArea ( child: Column ( children: <Widget>[ CircleAvatar ( radius: 50 , backgroundImage: NetworkImage ( 'https://dsearch.com/images?q=avatar%20user%20png' ) , ) , Text( 'Ahmad Mukhtiar', style: TextStyle( fontSize: 40.0, color: Colors. white , fontWeight: FontWeight. bold , ) , ), ] , ...

  Column class widget that displays  vertically its children. import "package:flutter/material.dart" ; void main () {  runApp( MyApp ()) ; } class MyApp extends StatelessWidget {   @override   Widget build (BuildContext context) {     // TODO: implement build     return MaterialApp (      home: Scaffold (        backgroundColor: Colors. teal ,         body: SafeArea (          child: Column (            children: <Widget>[               Icon (                Icons. star ,                 color: Colors. amber ,   ...