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AI
- ML Intro
- ML and AI
- ML in JavaScript
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- ML Perceptrons
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- ML Learning
- ML Terminology
- ML Data
- ML Clustering
- ML Regressions
- ML Deep Learning
- ML Brain.js
- TFJS Tutorial
- TFJS Operations
- TFJS Models
- TFJS Visor
- Ex1 Intro
- Ex1 Data
- Ex1 Model
- Ex1 Training
- Ex2 Intro
- Ex2 Data
- Ex2 Model
- Ex2 Training
- Graph Intro
- Graph Canvas
- Graph Plotly.js
- Graph Chart.js
- Graph Google
- Graph D3.js
- History of Intelligence
- History of Languages
- History of Numbers
- History of Computing
- History of Robots
- History of AI
- Job Replacements
- Theory of Mind
- Mathematics
- Linear Functions
- Linear Algebra
- Vectors
- Matrices
- Tensors
- Statistics
- Descriptive
- Variability
- Distribution
- Probability
AngularJS
- AngularJS HOME
- AngularJS Intro
- AngularJS Expressions
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- AngularJS Directives
- AngularJS Model
- AngularJS Data Binding
- AngularJS Controllers
- AngularJS Scopes
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- AngularJS Tables
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- AngularJS SQL
- AngularJS DOM
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- AngularJS Forms
- AngularJS Validation
- AngularJS API
- AngularJS W3.CSS
- AngularJS Includes
- AngularJS Animations
- AngularJS Routing
- AngularJS Application
- AngularJS Examples
- AngularJS Reference
Arduino Projects
- How HC-SR04 Ultrasonic Sensor Works & Interface It With Arduino
- How HC-SR501 PIR Sensor Works & Interface It With Arduino
- Interfacing DHT11 and DHT22 Sensors with Arduino
- Interface DHT11 Module With Arduino
- Interfacing AM2320 Temperature & Humidity Sensor with Arduino
- Interfacing LM35 Temperature Sensor with Arduino
- How MQ2 Gas/Smoke Sensor Works? & Interface it with Arduino
- How MQ3 Alcohol Sensor Works? & Interface it with Arduino
- How RCWL-0516 Microwave Radar Motion Sensor Works & Interface It With Arduino
- Interfacing DS18B20 1-Wire Digital Temperature Sensor with Arduino
- Interfacing Multiple DS18B20 Digital Temperature Sensors with Arduino
- Interfacing MAX6675 Thermocouple Module with Arduino
- Interfacing SHT31 Temperature & Humidity Sensor with Arduino
- Interfacing HTU21D Temperature & Humidity Sensor with Arduino
- Interfacing Reed Switch with Arduino
- Interfacing Ball Tilt Switch Sensor with Arduino
- Interfacing Soil NPK Sensor with Arduino
- How Soil Moisture Sensor Works and Interface it with Arduino
- Interfacing Capacitive Soil Moisture Sensor with Arduino
- Interfacing MAX4466 Microphone Amplifier Module with Arduino
- Interface Sound Sensor with Arduino and Control Devices With a Clap
- How Water Level Sensor Works and Interface it with Arduino
- How Rain Sensor Works and Interface it with Arduino
- Interfacing Force Sensing Resistor (FSR) with Arduino
- Interfacing Flex Sensor with Arduino
- Monitor the Heart Rate using Pulse Sensor and Arduino
- Interfacing MAX30100 Pulse Oximeter and Heart Rate Sensor with Arduino
- Interfacing MAX30102 Pulse Oximeter and Heart Rate Sensor with Arduino
- Interface BMP180 Barometric Pressure & Temperature Sensor with Arduino
- Interface BME280 Temperature, Humidity & Pressure Sensor with Arduino
- Interface BME680 Environmental Sensor with Arduino
- Interfacing BMP388 Barometric Pressure Sensor (Altimeter) with Arduino
- Interfacing MS5611 Barometric Pressure Sensor with Arduino
- Interfacing TMP36 Temperature Sensor with Arduino
- Interface MLX90614 Non-contact Infrared Temperature Sensor with Arduino
- What is RFID? How It Works? Interface RC522 RFID Module with Arduino
- Interfacing TCS230/TCS3200 Color Sensor with Arduino
- How Accelerometer works? Interface ADXL335 with Arduino
- Interface MPU6050 Accelerometer and Gyroscope Sensor with Arduino
- Interfacing TFMini-S LiDAR Sensor with Arduino
- Interface DS1307 RTC Module with Arduino
- Interface DS3231 Precision RTC Module with Arduino
- Interface One Channel Relay Module with Arduino
- Interface Two Channel Relay Module with Arduino
- Interface 4×3 & 4×4 Membrane Keypad with Arduino
- How Rotary Encoder Works and Interface It with Arduino
- How 74HC595 Shift Register Works & Interface it with Arduino
- How 2-Axis Joystick Works & Interface with Arduino + Processing
ASP
- ASP HOME
- WebPages Intro
- WebPages Razor
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- WebPages Classes
- Razor Intro
- Razor Syntax
- Razor C# Variables
- Razor C# Loops
- Razor C# Logic
- Razor VB Variables
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- Razor VB Logic
- ASP Intro
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- ASP Procedures
- ASP Conditionals
- ASP Looping
- ASP Forms
- ASP Cookies
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- ASP Application
- ASP #include
- ASP Global.asa
- ASP AJAX
- ASP e-mail
- ASP Examples
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- ASP Application
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- ADO Intro
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- ADO Stream
- ADO DataTypes
AWS
- AWS HOME
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- AWS Lambda
- AWS Containers
- AWS ECS
- AWS EKS
- AWS Fargate
- AWS First Recap
- AWS Infrastructure
- AWS Regions
- AWS Availability Zones
- AWS Edge Locations
- AWS Provision
- AWS Provision Services
- AWS Elastic Beanstalk
- AWS CloudFormation
- AWS Second Recap
- AWS Networking
- AWS Connectivity
- AWS Subnet and Access
- AWS Global Networking
- AWS Third Recap
- AWS Storage and DBs
- AWS Instance Stores
- AWS EBS
- AWS S3
- AWS EBS vs S3
- AWS Elastic File System
- AWS RDS
- AWS DynamoDB
- AWS DynamoDB vs RDS
- AWS Redshift
- AWS DMS
- AWS Additional DB Services
- AWS Fourth Recap
- AWS Cloud Security
- AWS Shared Responsibility
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- AWS Organizations
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- AWS DDoS
- AWS Other Services
- AWS Fifth Recap
- AWS Monitoring and Analytics
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- AWS Sixth Recap
- AWS Pricing and Support
- AWS Free Tier
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- AWS Cloud Adoption Framework
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- AWS Cloud Journey
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- AWS Cloud Benefits
- AWS Ninth Recap
- AWS Exam Preparation
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- Python Apps on AWS
- DevOps on AWS
- AWS Machine Learning
- AWS Serverless
Basic Electronics
- Semiconductor Basics
- PN Junction Diode
- The Half-Wave Rectifier
- The Full-Wave Rectifier
- The Full-Wave Bridge Rectifier
- The Zener Diode
- Light Emitting Diode (LED)
C
- C HOME
- C Intro
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- C Output
- Print Text
- New Lines
- C Comments
- C Variables
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- Data Types
- Type Conversion
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- C If...Else
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- C Short Hand If
- C Switch
- C While Loop
- C For Loop
- C Break/Continue
- C Arrays
- Arrays
- Multidimensional Arrays
- C Strings
- Strings
- Special Characters
- String Functions
- C User Input
- C Memory Address
- C Pointers
- Pointers
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- C Functions
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- C Function Declaration
- C Recursion
- C Math Functions
- C Create Files
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C#
- C# HOME
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- C# Math
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- Strings
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- Access Strings
- Special Characters
- C# Booleans
- C# If...Else
- if
- else
- else if
- Short hand if..else
- C# Switch
- C# While Loop
- C# For Loop
- For loop
- Foreach loop
- C# Break/Continue
- C# Arrays
- Arrays
- Loop through an array
- Sort arrays
- Multidimensional arrays
- C# Methods
- C# Method Parameters
- Parameters & Arguments
- Default Parameter
- Return Values
- Named Arguments
- C# Method Overloading
- C# OOP
- C# Classes/Objects
- Classes and Objects
- Multiple Objects
- C# Class Members
- C# Constructors
- C# Access Modifiers
- C# Properties
- C# Inheritance
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- C# Interface
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- C# Enums
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- C# Exceptions
- Add Two Numbers
- C# Examples
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C++
- C++ HOME
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- Print Text
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- Declare Variables
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- Identifiers
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- C++ User Input
- C++ Data Types
- Basic Data Types
- Numbers
- Booleans
- Characters
- Strings
- C++ Operators
- Arithmetic
- Assignment
- Comparison
- Logical
- C++ Strings
- Strings
- Concatenation
- Numbers and Strings
- String Length
- Access Strings
- Special Characters
- User Input Strings
- Omitting Namespace
- C++ Math
- C++ Booleans
- Boolean Values
- Boolean Expressions
- C++ Conditions
- if
- else
- else if
- Short hand if..else
- C++ Switch
- C++ While Loop
- While Loop
- Do/While Loop
- C++ For Loop
- C++ Break/Continue
- C++ Arrays
- Arrays
- Arrays and Loops
- Omit Array Size
- Get Array Size
- Multidimensional Arrays
- C++ Structures
- C++ References
- Create References
- Memory Address
- C++ Pointers
- Create Pointers
- Dereferencing
- Modify Pointers
- C++ Functions
- C++ Function Parameters
- Parameters/Arguments
- Default Parameter
- Multiple Parameters
- Return Values
- Pass By Reference
- Pass Arrays
- C++ Function Overloading
- C++ Recursion
- C++ OOP
- C++ Classes/Objects
- C++ Class Methods
- C++ Constructors
- C++ Access Specifiers
- C++ Encapsulation
- C++ Inheritance
- Inheritance
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- Multiple Inheritance
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- C++ Files
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- Add Two Numbers
- C++ Examples
- C++ Compiler
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CSS
- CSS HOME
- CSS Introduction
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- Colors
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- CSS Backgrounds
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- CSS Borders
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- Border Shorthand
- Rounded Borders
- CSS Margins
- Margins
- Margin Collapse
- CSS Padding
- CSS Height/Width
- CSS Box Model
- CSS Outline
- Outline
- Outline Width
- Outline Color
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- Outline Offset
- CSS Text
- Text Color
- Text Alignment
- Text Decoration
- Text Transformation
- Text Spacing
- Text Shadow
- CSS Fonts
- Font Family
- Font Web Safe
- Font Fallbacks
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- Font Size
- Font Google
- Font Pairings
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- CSS Icons
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- CSS Tables
- Table Borders
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- Table Style
- Table Responsive
- CSS Display
- CSS Max-width
- CSS Position
- CSS Z-index
- CSS Overflow
- CSS Float
- Float
- Clear
- Float Examples
- CSS Inline-block
- CSS Align
- CSS Combinators
- CSS Pseudo-class
- CSS Pseudo-element
- CSS Opacity
- CSS Navigation Bar
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- CSS Dropdowns
- CSS Image Gallery
- CSS Image Sprites
- CSS Attr Selectors
- CSS Forms
- CSS Counters
- CSS Website Layout
- CSS Units
- CSS Specificity
- CSS !important
- CSS Math Functions
- CSS Rounded Corners
- CSS Border Images
- CSS Backgrounds
- CSS Colors
- CSS Color Keywords
- CSS Gradients
- Linear Gradients
- Radial Gradients
- Conic Gradients
- CSS Shadows
- Shadow Effects
- Box Shadow
- CSS Text Effects
- CSS Web Fonts
- CSS 2D Transforms
- CSS 3D Transforms
- CSS Transitions
- CSS Animations
- CSS Tooltips
- CSS Style Images
- CSS Image Reflection
- CSS object-fit
- CSS object-position
- CSS Masking
- CSS Buttons
- CSS Pagination
- CSS Multiple Columns
- CSS User Interface
- CSS Variables
- The var() Function
- Overriding Variables
- Variables and JavaScript
- Variables in Media Queries
- CSS Box Sizing
- CSS Media Queries
- CSS MQ Examples
- CSS Flexbox
- CSS Flexbox
- CSS Flex Container
- CSS Flex Items
- CSS Flex Responsive
- RWD Intro
- RWD Viewport
- RWD Grid View
- RWD Media Queries
- RWD Images
- RWD Videos
- RWD Frameworks
- RWD Templates
- Grid Intro
- Grid Container
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- SASS Tutorial
- CSS Templates
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- CSS Editor
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- CSS Certificate
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- CSS Selectors
- CSS Functions
- CSS Reference Aural
- CSS Web Safe Fonts
- CSS Animatable
- CSS Units
- CSS PX-EM Converter
- CSS Colors
- CSS Color Values
- CSS Default Values
- CSS Browser Support
Cyber Security
- CS HOME
- CS Cyber Crime
- CS Money Making Threats
- CS Dark Web
- CS Networking Basics
- CS Network Layer
- CS Network Transport
- CS Firewalls
- CS Web Applications
- CS Mapping &Port Scanning
- CS Network Attacks
- CS Web Application Attacks
- CS WIFI Attacks
- CS Penetration Testing &Social Engineering
- CS Passwords
- CS Security Operations
- CS Incident Response
- CS Quiz
- CS Certificate
Data Science
- DS HOME
- DS Introduction
- DS What is Data
- DS Database Table
- DS Python
- DS DataFrame
- DS Functions
- DS Data Preparation
- DS Linear Functions
- DS Plotting Functions
- DS Slope and Intercept
- Stat Introduction
- Stat Percentiles
- Stat Standard Deviation
- Stat Variance
- Stat Correlation
- Stat Correlation Matrix
- Stat Correlation vs Causality
- DS Linear Regression
- DS Regression Table
- DS Regression Info
- DS Regression Coefficients
- DS Regression P-Value
- DS Regression R-Squared
- DS Linear Regression Case
- DS Bootcamp
DBaaS
- Database as a Service
DBReplication
- CSV-Database
- Manage Database In Dbreplication.In
- Set Backup Scheduled in Dbreplication.In
- Set Replication Scheduled in Dbreplication.In
Django
- Django Home
- Django Intro
- Django Get Started
- Create Virtual Environment
- Install Django
- Django Create Project
- Django Create App
- Django Views
- Django URLs
- Django Templates
- Django Models
- Django Insert Data
- Django Update Data
- Django Delete Data
- Django Update Model
- Prepare Template and View
- Add Link to Details
- Add Master Template
- Add Main Index Page
- Django 404 Template
- Add Test View
- Django Admin
- Create User
- Include Models
- Set List Display
- Update Members
- Add Members
- Delete Members
- Django Variables
- Django Tags
- Django If Else
- Django For Loop
- Django Comment
- Django Include
- QuerySet Introduction
- QuerySet Get
- QuerySet Filter
- QuerySet Order By
- Add Static Files
- Install WhiteNoise
- Collect Static Files
- Add Global Static Files
- Add Styles to the Project
- PostgreSQL Intro
- Create AWS Account
- Create Database in RDS
- Connect to Database
- Add Members
- Elastic Beanstalk (EB)
- Create requirements.txt
- Create django.config
- Create .zip File
- Deploy with EB
- Update Project
- Add Slug Field
- Add Bootstrap 5
- Template Tag Reference
- Filter Reference
- Field lookups Reference
- Django Compiler
- Django Exercises
- Django Quiz
- Django Certificate
- Add Main Index Page
- Django Template Variables
- Filter Reference
- Django Variables
- Django Variables
- Django Tags
- Django For Loop
- QuerySet Introduction
- Add Static Files
DS Database Table
- Data Science - Database Table
ESP32 Projects
- Getting Started with ESP32
- ESP32 vs. ESP8266: Which Microcontroller Is Right for You?
- ESP32 Pinout Reference
- ESP32-WROOM-32 Pinout Reference
- ESP32 Basics: Analog-to-digital Converter (ADC)
- ESP32 Basics: Hall Effect Sensor
- ESP32 Basics: Capacitive Touch Pins
- ESP32 Basics: Generating a PWM Signal on the ESP32
- Configuring & Handling ESP32 GPIO Interrupts In Arduino IDE
- Insight Into ESP32 Sleep Modes & Their Power Consumption
- ESP32 Deep Sleep & Its Wake-up Sources
- Create A Simple ESP32 Web Server In Arduino IDE
- How to Create an ESP32 Web Server with WebSockets in Arduino IDE
- ESP32 Basics: Bluetooth Classic
- ESP32 Basics: Bluetooth Low Energy (BLE)
- How to Build a CAN Bus With ESP32
- Create A Simple ESP32 Web Server In Arduino IDE
- Interface DHT11 DHT22 with ESP32 & Display Values Using Web Server
- Create A Simple ESP32 Weather Station With BME280
- Interface Multiple DS18B20s with ESP32 & Display Values Using Web Server
- Getting Started With ESP32-CAM
- ESP32-CAM Pinout Reference
- Control WS2812B Addressable LEDs with ESP32 and WLED
- Getting started with Sound Reactive WLED
- How to Find and Change the MAC Address on ESP32
- How to Solve �A Fatal Error Occurred: Failed to Connect to ESP32: Timed Out Waiting for Packet Header�
- How to set up mDNS on an ESP32
- How to set a Static or Fixed IP Address on your ESP32
- ESP32 Basic Over The Air (OTA) Programming In Arduino IDE
- ESP32 Web Updater Over The Air (OTA) Programming In Arduino IDE
- Getting Date & Time From NTP Server With ESP32
- Interface OLED Graphic Display Module with ESP32
ESP8266 Projects
- Getting Started with ESP8266
- Installing ESP8266 Board in the Arduino IDE
- ESP8266 Pinout Reference
- Create A Simple ESP8266 NodeMCU Web Server In Arduino IDE
- Configuring & Handling ESP8266 GPIO Interrupts In Arduino IDE
- ESP8266 Over The Air (OTA) Programming In Arduino IDE
- Getting Date & Time From NTP Server With ESP8266 NodeMCU
- Control WS2812B Addressable LEDs with ESP8266 and WLED
- Interface DHT11 DHT22 w/ ESP8266 NodeMCU Using Web Server
- How to Use an I2C LCD Display With ESP8266
- Interface OLED Graphic Display Module with ESP8266 NodeMCU
- Display Values of Multiple DS18B20s on ESP8266 NodeMCU Web Server
- Create A Simple ESP8266 Weather Station With BME280
Excel
- Excel HOME
- Excel Introduction
- Excel Get Started
- Excel Overview
- Excel Syntax
- Excel Ranges
- Excel Fill
- Filling
- Double Click to Fill
- Excel Move Cells
- Excel Add Cells
- Excel Delete Cells
- Excel Undo Redo
- Excel Formulas
- Excel Relative Reference
- Excel Absolute Reference
- Excel Arithmetic Operators
- Excel Addition
- Excel Subtraction
- Excel Multiplication
- Excel Division
- Excel Parentheses
- Excel Functions
- Excel Formatting
- Excel Format Painter
- Excel Format Colors
- Excel Format Fonts
- Excel Format Borders
- Excel Format Numbers
- Excel Format Grids
- Excel Format Settings
- Excel Sort
- Excel Filter
- Excel Tables
- Tables
- Table Design
- Table Resizing
- Remove Duplicates
- Convert Table to Range
- Table Style
- Excel Conditional Format
- Excel Highlight Cell Rules
- Highlight Cell Rules
- HCR - Greater Than
- HCR - Less Than
- HCR - Between
- HCR - Equal To
- HCR - Text That Contains
- HCR - Date Occurring
- HCR - Unique Values
- Excel Top Bottom Rules
- Top Bottom Rules
- Above Below Average
- Excel Data Bars
- Excel Color Scales
- Excel Icon Sets
- Excel Manage Rules (CF)
- Excel Charts
- Charts
- Bar Charts
- Stacked Bar Charts
- Column Charts
- Stacked Column Charts
- Pie Charts
- Line Charts
- Stacked Line Charts
- 100% Stacked Line Charts
- Radar Charts
- Excel Charts Customization
- Table Pivot Intro
- Case: Poke Mart
- Case: Poke Mart, Styling
- AND
- AVERAGE
- AVERAGEIF
- AVERAGEIFS
- CONCAT
- COUNT
- COUNTA
- COUNTBLANK
- COUNTIF
- COUNTIFS
- IF
- IFS
- LEFT
- LOWER
- MAX
- MEDIAN
- MIN
- MODE
- NPV
- OR
- RAND
- RIGHT
- STDEV.P
- STDEV.S
- SUM
- SUMIF
- SUMIFS
- TRIM
- VLOOKUP
- XOR
- Convert Time to Seconds
- Difference Between Times
- NPV (Net Present Value)
- Remove Duplicates
- Introduction to Excel
- Learn Data Calculations
- Learn Data Visualization
- Learn to Create a Budget
- Learn to Create a Timeline
- Learn to Style in Excel
- Excel Exercises
- Excel Certificate
- Excel Keyboard Shortcuts
- Excel HOME
- Excel HOME
- Excel Get Started
GIT
- Git HOME
- Git Intro
- Git Get Started
- Git New Files
- Git Staging Environment
- Git Commit
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- Git Branch
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- {{title}} Get Started
- {{title}} Edit Code
- Pull from {{title}}
- Push to {{title}}
- {{title}} Branch
- Pull Branch from {{title}}
- Push Branch to {{title}}
- GitHub Flow
- {{title}} Pages
- {{title}} Fork
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- {{title}} Send Pull Request
- Git .gitignore
- Git Security SSH
- {{title}} Add SSH
- Git Revert
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- Git Help
GO
- Go Home
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- Conditions
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- else if Statement
- Nested if
- Go Switch
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- Go Functions
- Create/Call Function
- Parameters/Arguments
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- Recursion
- Go Struct
- Go Maps
- Go Exercises
- Go Compiler
HTML
- HTML HOME
- HTML Introduction
- HTML Editors
- HTML Basic
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- HTML CSS
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- Links
- Link Colors
- Link Bookmarks
- HTML Images
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- Background Images
- The Picture Element
- HTML Favicon
- HTML Page Title
- HTML Tables
- HTML Tables
- Table Borders
- Table Sizes
- Table Headers
- Padding & Spacing
- Colspan & Rowspan
- Table Styling
- Table Colgroup
- HTML Lists
- Lists
- Unordered Lists
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- Other Lists
- HTML Block & Inline
- HTML Classes
- HTML Id
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- HTML Style Guide
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- HTML vs. XHTML
- HTML Forms
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- HTML Input Types
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- HTML Input Form Attributes
- HTML Canvas
- HTML SVG
- HTML Media
- HTML Video
- HTML Audio
- HTML Plug-ins
- HTML YouTube
- HTML Geolocation
- HTML Drag/Drop
- HTML Web Storage
- HTML Web Workers
- HTML SSE
- HTML Examples
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- HTML Exercises
- HTML Bootcamp
- HTML Certificate
- HTML Summary
- HTML Accessibility
- HTML Tag List
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- HTML Browser Support
- HTML Events
- HTML Colors
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- RIGHT
- RPAD
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- SPACE
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- SUBSTR
- SUBSTRING
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- TRIM
- UCASE
- UPPER
- ABS
- ACOS
- ASIN
- ATAN
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- AVG
- CEIL
- CEILING
- COS
- COT
- COUNT
- DEGREES
- DIV
- EXP
- FLOOR
- GREATEST
- LEAST
- LN
- LOG
- LOG10
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- MAX
- MIN
- MOD
- PI
- POW
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- RADIANS
- RAND
- ROUND
- SIGN
- SIN
- SQRT
- SUM
- TAN
- TRUNCATE
- ADDDATE
- ADDTIME
- CURDATE
- CURRENT_DATE
- CURRENT_TIME
- CURRENT_TIMESTAMP
- CURTIME
- DATE
- DATEDIFF
- DATE_ADD
- DATE_FORMAT
- DATE_SUB
- DAY
- DAYNAME
- DAYOFMONTH
- DAYOFWEEK
- DAYOFYEAR
- EXTRACT
- FROM_DAYS
- HOUR
- LAST_DAY
- LOCALTIME
- LOCALTIMESTAMP
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- SUBTIME
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- TIMESTAMP
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SQL Commands
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Vishal
- Test Vishal

Example

Import the Scanner class from the Java API:

import java.util.Scanner;

class MyClass {

public static void main(String[] args) {

Scanner myObj = new Scanner(System.in);

System.out.println("Enter username");

String userName = myObj.nextLine();

System.out.println("Username is: " + userName);

}

Definition and Usage

The import keyword is used to import a package, class or interface.

Read more about packages in our Java Packages Tutorial.

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