Java Tutorial for Beginners | Java Programming for Beginner | Java Basics | java training session1

Java Tutorial for Beginners | Java Programming for Beginner | Java Basics & Concepts | java training

This tutorial gives you knowledge on java concepts and basics needed by beginner to quick start with Java Programming

What is Java Language?
Platform Independence & Architecture independence
WORA Write Once Run Anywhere
Object Oriented design

Why Java Language?
1) Simple
2) Object Oriented Programming Language class, Object,Inheritance, polymorphism
3) Platform Independence/Portable
4) Architecture Neutral
5) Robust
6) Multitasking
7) Secure
8) World wide web application Distributed computing
9) Interpreted
10) High Performance
11) Dynamic

Prerequisites of Java
Hardware & Software requirements to Java Development & Runtime environment

Quickstart with Java Programming
Steps in writing Java Programm

Windows CMD, Absolute Path, Relative path
Java JDK & JRE J2SE or Java SE Standard Edition
JDK - Provides tools to support Java Application Development
- Java Development Kit
- Private JRE
- javac & java

JRE - Provides the runtime environment to end users
- Java Runtime Environment
- Public JRE
- java command (Java Interpreter/JVM Java Virtual Machine)

Absolute Path
C:\Files\Java\JDK8\jre\bin\java.exe

Relative Path
current directory - parent - parent - child
. - current directory
.. - parent directory

Develop Core Java Application
Stand alone application

Javac and Java command is a new tool from OS provided by Oracle Java
need to execute this tools in windows command prompt
Windows + r
super market + veg mart = machine keys and small screen digital
keyin a particular code then it will trigger functionality

Understanding about Simple HelloWorld

Pre-Requisites for Java QuickStart
=========================================
1) Install Java JDK on your system
2) Setting JAVA_HOME & PATH variables
3) Starting Core Java Application

for Step 1 & 2 - please refer to the video
https://www.youtube.com/watch?v=P3JhN9E8Ulk&t=29s

3 Steps for starting core java application
==============================================
Step 1: Coding
Open Notepad or Notepad++ editor
Click on File and open a new File in notepad++
Write Java code in File
Save the file as filename.java Java Source File

Step 2: Compiling
Open Command Prompt
Change directory to the directory where java source is saved
execute javac filename.java to compile source file

Step 3: Execution
execute java classname

C:\Files\Java\Apps\corejava\

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