Skip to content

Web Development
Mobile
Java
.NET Core
PHP
Python
- Python Tutorial
- Django Tutorial
Golang
Programming
- C Tutorial
- Dart Tutorial
Database

Search for:

Main Menu

Uncategorized

JSF Framework Installation

Hello world!

ReactJS Tutorial

Angular Tutorial

Basic Angular

Installation

Install Angular on Windows

Angular Command Line Interface(CLI)

Check Angular Version Create New Project Run Angular Project Generate Module Generate Component Generate Service

Components

Create New Component Life Cycle Hook Nested Components Component Communication

Directives

ngFor ngIf ngSwitch ngClass

Pipes

DatePipe UpperCasePipe LowerCasePipe SlicePipe DecimalPipe NumberPipe PercentePipe CurrencyPipe

Data Binding

Data Binding in Angular Event Binding

Embed Bootstrap into Angular

Embed Bootstrap into Angular

Use jQuery in Angular

Use jQuery in Angular

Intermediate Angular

Events

Click Event KeyUp Event Change Event

Forms

Reactive Forms Nested Forms Dynamic Forms

Validation

Angular Forms Validation Custom Validation

Services

Create New Service Inject Service into Service

Routing

Define Routes Passing Parameters to Route Child Routes / Nested Routes Query Parameters Navigation between Routes

Module

Create New Module Routing Between Angular Modules

Data Storage

Use localStorage in Angular Use sessionStorage in Angular

Advanced Angular

Observable in Angular

...

HTTP Methods

HTTP GET Method HTTP GET Method with Parameters HTTP POST Method HTTP PUT Method HTTP DELETE Method

Interceptor

Declare Interceptor in Angular

PrimeNG

Install PrimeNG

C Tutorial

GORM Tutorial

Golang MySQL Tutorial

Golang MongoDB Tutorial

Golang Web API Tutorial

Golang Tutorial

JSP-Servlet Tutorial

Struts Framework Tutorial

JSF Framework Tutorial

Spring Data MongoDB Tutorial

Spring Data JPA Tutorial

Spring Web API Tutorial

Spring MVC Tutorial

React Native Tutorial

Flutter Tutorial

Android Tutorial

ECMAScript Tutorial

JQuery Tutorial

BootStrap Tutorial

JavaScript Tutorial

CSS Tutorial

HTML Tutorial

ASP.NET Core Microservices Tutorial

Spring Boot Microservices Tutorial

Dart Tutorial

Express.js Tutorial

Java Swing Tutorial

Django Tutorial

Python Tutorial

ASP.NET Core Razor Pages Tutorial

MongoDB Tutorial

MySQL Tutorial

SQL Server Tutorial

ASP.NET Core Web API Tutorial

ASP.NET Core MVC Tutorial

JDBC Tutorial

C# Tutorial

Basic C#

Installation

Install .NET Core on Windows Install Visual Studio to Run C#

Variables & DataTypes

Variables & Data Types Type Casting Convert String to Other Data Types Convert Primitive Data Type to String Assign Keyboard Input to Variables Real Life Examples

Operators

Arithmetic Operators Unary Operators Relational Operators Logical Operators Assignment Operators Real Life Examples

Control Flow Statements

If If-Else If-ElseIf-Else Nested If Switch Ternary Operator Real Life Examples

Loops

For Loop While Loop Do-While Loop For-Each Loop Nested Loops Break and Continue Real Life Examples

Methods

Declare Method Method Parameters Method Overloading Method Return Type Real Life Examples

Arrays

Declare and Initialize Array Multidimensional Arrays Real Life Examples

Strings

Declare String String charAt() Method String compareTo() Method String concat() Method String contains() Method String endsWith() Method String equals() Method String equalsIgnoreCase() Method String format() Method String getBytes() Method String indexOf() Method String isEmpty() Method String join() Method String lastIndexOf() Method String length() Method String replace() Method String replaceAll() Method String split() Method String startsWith() Method String substring() Method String toLowerCase() Method String toUpperCase() Method String trim() Method String valueOf() Method Real Life Examples

Exceptions

Try Catch Block Finally Block Nested Try Catch Block Throw Keyword Throws Keyword Custom Exception Real Life Examples

Intermediate C#

Object Oriented Programming (OOPs)

Classes and Objects Constructors Inheritance Abstract Class Polymorphism Interfaces Nested Classes Declare and Initialize Array of Objects Real Life Examples

Date and Time

Declare Date and Time Date Format Calendar Real Life Examples

Collections

List Set Map Iterator Real Life Examples

File Input Output

File Operations Directory Operations Real Life Examples

Input Output Streams

OutputStream InputStream Real Life Examples

Advanced C#

Lambda Expressions

Use forEach Method Filter Collection in Stream Use Like Operator Use Sort Operator Use Limit Operator Find the First Element in Stream Use Sum Operator Use Count Operator Use Min Operator Use Max Operator Use Average Operator Use Group By Operator Real Life Examples

Regular Expressions

Common Matching Symbols Meta Characters Quantifier Grouping and Back Reference Negative Look Ahead Specifying Modes Inside Regular Expression Backslashes Real Life Examples

Annotation

Declare Custom Annotation Class Level Annotation Field Level Annotation Method Level Annotation Single-Value Annotation Multi-Value Annotation Real Life Examples

MultiThreading

Thread Class Runnable Interface Thread Sleep Thread Join Thread States Wait Method Notify Method NotifyAll Method Safety and Synchronization Exception in Thread Main Safety in Singleton Class Daemon Thread Thread Pool Callable Future Timer Thread Thread Deadlock FutureTask Real Life Examples

Generics

Generic Classes Generic Interfaces Generic Methods Generic Types Bounded Type Parameters Inheritance Wildcard Real Life Examples

Reflection

Reflection of Classes Reflection of Fields Reflection of Methods Reflection of Constructors Reflection of Annotations Invoke Method Invoke Method with Parameters Real Life Examples

Internationalization

Use Locale Class Percentages Formatting Long Numbers Formatting Numbers Formatting Money Formatting Symbols and Currencies Date Formatting Getting Messages from Resource Bundles Real Life Examples

Java Tutorial

Basic Java

Installation

Install Java on Windows Install Eclipse to Run Java

Variables & DataTypes

Variables & Data Types Type Casting Convert String to Other Data Types Convert Primitive Data Type to String Assign Keyboard Input to Variables Real Life Examples

Operators

Arithmetic Operators Unary Operators Relational Operators Logical Operators Assignment Operators Real Life Examples

Control Flow Statements

If If-Else If-ElseIf-Else Nested If Switch Ternary Operator Real Life Examples

Loops

For Loop While Loop Do-While Loop For-Each Loop Nested Loops Break and Continue Real Life Examples

Methods

Declare Method Method Parameters Method Overloading Method Return Type Real Life Examples

Arrays

Declare and Initialize Array Multidimensional Arrays Real Life Examples

Strings

Declare String String charAt() Method String compareTo() Method String concat() Method String contains() Method String endsWith() Method String equals() Method String equalsIgnoreCase() Method String format() Method String getBytes() Method String indexOf() Method String isEmpty() Method String join() Method String lastIndexOf() Method String length() Method String replace() Method String replaceAll() Method String split() Method String startsWith() Method String substring() Method String toLowerCase() Method String toUpperCase() Method String trim() Method String valueOf() Method Real Life Examples

Exceptions

Try Catch Block Finally Block Nested Try Catch Block Throw Keyword Throws Keyword Custom Exception Real Life Examples

Intermediate Java

Object Oriented Programming (OOPs)

Classes and Objects Constructors Inheritance Abstract Class Polymorphism Interfaces Nested Classes Declare and Initialize Array of Objects Real Life Examples

Date and Time

Declare Date and Time Date Format Calendar Java 8 Date Time Real Life Examples

Collections

List Set Map Iterator Real Life Examples

File Input Output

File Operations Directory Operations Real Life Examples

Input Output Streams

OutputStream InputStream Real Life Examples

Advanced Java

Lambda Expressions

Use forEach Method Filter Collection in Stream Use Like Operator Use Sort Operator Use Limit Operator Find the First Element in Stream Use Sum Operator Use Count Operator Use Min Operator Use Max Operator Use Average Operator Use Group By Operator Real Life Examples

Regular Expressions

Common Matching Symbols Meta Characters Quantifier Grouping and Back Reference Negative Look Ahead Specifying Modes Inside Regular Expression Backslashes Real Life Examples

Annotation

Declare Custom Annotation Class Level Annotation Field Level Annotation Method Level Annotation Single-Value Annotation Multi-Value Annotation Real Life Examples

MultiThreading

Thread Class Runnable Interface Thread Sleep Thread Join Thread States Wait Method Notify Method NotifyAll Method Safety and Synchronization Exception in Thread Main Safety in Singleton Class Daemon Thread Thread Pool Callable Future Timer Thread Thread Deadlock FutureTask Real Life Examples

Generics

Generic Classes Generic Interfaces Generic Methods Generic Types Bounded Type Parameters Inheritance Wildcard Real Life Examples

Reflection

Reflection of Classes Reflection of Fields Reflection of Methods Reflection of Constructors Reflection of Annotations Invoke Method Invoke Method with Parameters Real Life Examples

Internationalization

Use Locale Class Percentages Formatting Long Numbers Formatting Numbers Formatting Money Formatting Symbols and Currencies Date Formatting Getting Messages from Resource Bundles Real Life Examples

Contact Us

octopuscodes@gmail.com

Top Tutorials

Spring MVC Framework Tutorial
Entity Framework Core Tutorial
ASP.NET Core MVC Tutorial
ASP.NET Core Web API Tutorial
Angular Tutorial
ReactJS Tutorial
Flutter Tutorial
Laravel Framework Tutorial
MongoDB Tutorial

Copyright © 2025 OctopusCodes.