Java for Beginners - Step by Step

Name: Java for Beginners - Step by Step
Rating: 4.4 (1057 reviews)

Understand the basics of Java

Created byRaghav Pal

Last updated 10/2025

English

What you'll learn

Understand how java works
Install and use java
Understand and use object oriented programming concepts
Write java programs on eclipse and other IDEs

Course content

6 sections • 11 lectures • 1h 42m total length

Getting Started5:04
Today we will learn:
1. What is JAVA
2. A simple architecture of java
3. IDE for Java (to write java programs)

1. Java is a programming language
Sun Microsystems
James Gosling - 1991 - 1995

2. Architecture : Platform independent

3. IDE for java - integrated development environment
How to install JAVA on windows - Step by Step10:04
Step 1: check if java is already installed
java -version

Step 2: download java from internet

http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

Step 3: Run the java exe

Step 4: Setting environment variables

Step 5: check if java is installed and available
How to install or update JAVA on Mac8:00
Today we will learn
1. How to setup and install java on mac os
2. How to setup Java env variables
3. How to change/switch java version on your system

Step 1 : check if java is installed
Terminal : java -version
: javac -version

Step 2 : download and install java
http://www.oracle.com/technetwork/java/javase/downloads/index-jsp-138363.html

Step 3 : How to set java env variable - JAVA_HOME
echo $JAVA_HOME
setting JAVA_HOME
setting JAVA_HOME in .bash_profile

Step 4 : How to switch java version
export JAVA_HOME=`/usr/libexec/java_home -v 1.8`

Getting Started with Eclipse IDE8:58
Today we will learn
1. How to download eclipse
2. Getting ready for java programming

IDE - integrated development environment

Step 1 : download eclipse

Step 2 : unzip - start eclipse - provide workspace location

Step 3 : Open workbench
My First Java Program11:54
Today we will learn
1. Create and Run first java program
2. Compile and Run

Step 1 : Open Eclipse - select workspace

Step 2 : Create Java Project - create package - create Class

Step 3 : Create a Java program

Step 4 : Compile and Run
Command Line execution6:20
Today we will learn
1. How to compile and run java program from command line

Step 1 : goto command line / terminal - goto the location of java file

Step 2 : Compile java program
javac “name of java file”

Step 3 : Execute java program
java “name of java file without extension”

JAR (Java Archive) basics10:58
Today we will learn
1. What is JAR
2. Why do we need JAR files
3. How to create JAR file from Java Project
4. How to extract contents from a JAR file (Java Decompiler)
__________________________________

JAR = Java Archive
- compressed format of a compiled java project
- contains .class files + meta data and some other resources
- used to distribute java code/libraries for use by other projects
- direct execution of java program (w/o IDE)

e.g. javamail jar
What is JDK JRE JVM7:28
Today we will learn:

Basics of JDK, JRE and JVM:
____________________________

JDK : Java Development Kit
env to develop, compile and run java application

JRE : Java Runtime Environment
env to run java applications

JVM : Java Virtual Machine
interpreter to execute java programs (byte code) line by line
______________________________________________________

JVM = executes precompiled java programs (.class , .jar files / bytecode)

JRE = JVM + Libraries to run java program

JDK = JRE + Tools to develop java programs

_________________________________________________________

What is Object Oriented Programming (OOPs) with examples11:53
Today We Will Learn:
1. What is Object Oriented Programming (OOP)
2. How did OOP came into existence
- Non-Structured Programming
- Structured Programming
- OOP - Object Oriented Programming
3. Understand OOP with Real Life Examples

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We will understand:
Examples of Object Oriented Programming
Classes and Objects
How can you relate OOP with real life entities

Easy and interesting way of learning Object Oriented Programming with examples

________________________________________________________________
How to create Classes and Objects10:44
Today we will learn:
1. Convert information into tables
2. Create Class and variables using tables
3. Create Objects
4. Run the OO(Object Oriented) program
_____________________________________________________

Step 1 : Represent Account Holder details in a simple table

Step 2 : Create a Java Class with name as TableName and Variables as column names

Step 3 : Create another class where we will create objects for Account Holder class

Step 4 : Create objects for Tom, Henry and Sarah and provide details as below

Step 5 : Run and validate

______________________________________________________

Requirements

No specialized knowledge is required
Basic knowledge on how to use computer is enough

Description

If you want to understand the basics of java in an easy and fun way, this course is for you.

You will learn:
1. What is Java
2. How to install Java
3. How to write first Java Program
4. Understand what is JRE, JDK, JVM and JAR
5. Understand and implement Object Oriented Concepts

We will have fun learning java.
Let's Get Started

Who this course is for:

Anyone who wants to understand basic concepts of Java
Anyone who want to learn the basics of java

Java for Beginners - Step by Step

What you'll learn

Explore related topics

Course content

INTRODUCTION AND GETTING STARTED3 lectures • 23min

FIRST JAVA PROGRAM3 lectures • 27min

What is JDK | JRE | JVM |JAR2 lectures • 18min

OOP - OBJECT ORIENTED PROGRAMMING2 lectures • 23min

EXCEPTION HANDLING1 lecture • 11min

QUIZ0

Requirements

Description

Who this course is for: