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Introduction

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LEVEL -1

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Java is a general-purpose, concurrent, object-oriented, class-based, and the runtime environment(JRE) which consists of JVM which is the cornerstone of the Java platform. This blog on What is Java will clear all your doubts about why to learn java, features and how it works.

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Java is used in a wide range of places, including Android apps, credit card programming and in the creation of desktop applications and web enterprise applications. By comparison, JavaScript is mainly used to make web pages more interactive. It can be used as an alternative to Flash, though most programmers will tell you that JavaScript is more popular and has more functionality than Flash. JavaScript can be used to do neat things like creating animation in HTML.

Java code must be compiled, and JavaScript code is all-text.

Each language requires different plug-ins.

JavaScript code is run on a browser only, while Java creates applications that run in a virtual machine or browser.

Java is an OOP (object-oriented programming) language, and JavaScript is specifically an OOP scripting language.

Java vs Java Script

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Java Script main uses

Share point development

Web page creation

Web related application

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We have some editors to create java code and execute

The easy way to create a java code is combining with HTML

So we can use notepad to write a code and save it as HTML (*.html)

To run the script simply double click on the html file so the program will run in default browser.

Java Script

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we take Chrome as our default browser

All browser will have console window to get the information about page and script output info

We can access it by key F12 in chrome

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Basics to Know:

    • Rules
    • Data types
    • Conditions (if ,else,elif)
    • Loops(for,while)
    • Functions
    • modules