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Java Tutorial for Beginners

Learn Java programming step by step with structured modules, beginner-friendly lessons, code examples, quizzes, practice, and an online Java compiler.

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Beginner to Advanced
124 lessons
Self-paced

Course outcomes

What you will learn

Java basics, syntax, and program structure
JDK, JRE, JVM, variables, types, and operators
Object-oriented programming and exception handling
Multithreading, collections, advanced Java, and JDBC
Examples, quizzes, practice, and online compilation

Your progress

Java learning progress

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Beginner to AdvancedLearning level

ExamplesCode with output

QuizzesKnowledge checks

CompilerPractice online

Complete curriculum

Java course roadmap

Follow the modules in order. Completed lessons are marked automatically.

Module 1

Java Basics

Start with Java introduction, features, setup, program structure, and comments.

Java Introduction

Learn Java Introduction with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 2

Features of Java

Learn Features of with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 3

History of Java

Learn History of with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 4

JDK vs JRE vs JVM

Learn JDK vs JRE vs JVM with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 5

Java Environment Setup

Learn Java Environment Setup with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 6

Java Program Structure

Learn Java Program Structure with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 7

Java First Program

Learn Java First Program with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 8

Java Comments

Learn Java Comments with a clear explanation, practical examples, expected output, and common Java usage.

Module 2

Java Fundamentals

Learn keywords, variables, data types, identifiers, literals, operators, and casting.

Java Keywords

Learn Java Keywords with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 10

Java Variables

Learn Java Variables with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 11

Java Data Types

Learn Java Data Types with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 12

Java Identifiers

Learn Java Identifiers with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 13

Java Naming Conventions

Learn Java Naming Conventions with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 14

Java Literals

Learn Java Literals with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 15

Java Escape Sequences

Learn Java Escape Sequences with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 16

Java Operators

Learn Java Operators with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 17

Java Type Casting

Learn Java Type Casting with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 18

Java Final Variables

Learn Java Final Variables with a clear explanation, practical examples, expected output, and common Java usage.

Module 3

Input and Output

Learn console input, output, and command-line arguments in Java.

Java Input Output

Learn Java Input Output with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 20

Command Line Arguments

Learn Command Line Arguments with a clear explanation, practical examples, expected output, and common Java usage.

Module 4

Control Statements

Learn decisions, loops, break, continue, and return statements.

Java If Statement

Learn Java If Statement with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 22

Java If Else Statement

Learn Java If Else Statement with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 23

Java Else If Ladder

Learn Java Else If Ladder with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 24

Java Nested If

Learn Java Nested If with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 25

Java Switch Statement

Learn Java Switch Statement with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 26

Java While Loop

Learn Java While Loop with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 27

Java Do While Loop

Learn Java Do While Loop with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 28

Java For Loop

Learn Java For Loop with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 29

Java Enhanced For Loop

Learn Java Enhanced For Loop with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 30

Java Break Statement

Learn Java Break Statement with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 31

Java Continue Statement

Learn Java Continue Statement with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 32

Java Return Statement

Learn Java Return Statement with a clear explanation, practical examples, expected output, and common Java usage.

Module 5

Methods, Arrays and Strings

Learn methods, recursion, arrays, String, StringBuffer, and StringBuilder.

Java Methods

Learn Java Methods with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 34

Java Method Parameters

Learn Java Method Parameters with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 35

Java Method Overloading

Learn Java Method Overloading with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 36

Java Recursion

Learn Java Recursion with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 37

Java Arrays

Learn Java Arrays with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 38

Java String

Learn Java String with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 39

Java String Methods

Learn Java String Methods with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 40

Java StringBuffer

Learn Java StringBuffer with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 41

Java StringBuilder

Learn Java StringBuilder with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 42

String vs StringBuffer vs StringBuilder

Learn String vs StringBuffer vs StringBuilder with a clear explanation, practical examples, expected output, and common Java usage.

Module 6

Object-Oriented Programming

Master classes, objects, inheritance, encapsulation, abstraction, interfaces, and polymorphism.

Java OOP Overview

Learn Java OOP Overview with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 44

Java Class and Objects

Learn Java Class and Objects with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 45

Java Class Members

Learn Java Class Members with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 46

Java Instance Members

Learn Java Instance Members with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 47

Java Static Keyword

Learn Java Static Keyword with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 48

Java Constructors

Learn Java Constructors with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 49

Java this Keyword

Learn Java this Keyword with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 50

Java Inheritance

Learn Java Inheritance with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 51

Java super Keyword

Learn Java super Keyword with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 52

Java Method Overriding

Learn Java Method Overriding with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 53

Java Packages

Learn Java Packages with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 54

Java Access Modifiers

Learn Java Access Modifiers with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 55

Java Encapsulation

Learn Java Encapsulation with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 56

Java Abstraction

Learn Java Abstraction with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 57

Java Abstract Class

Learn Java Abstract Class with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 58

Java Interface

Learn Java Interface with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 59

Java Polymorphism

Learn Java Polymorphism with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 60

Java Final Keyword

Learn Java Final Keyword with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 61

Java Object Class

Learn Java Object Class with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 62

Java Object Cloning

Learn Java Object Cloning with a clear explanation, practical examples, expected output, and common Java usage.

Module 7

Exception Handling

Learn exception types, try-catch, finally, throw, throws, propagation, and custom exceptions.

Java Exception Handling

Learn Java Exception Handling with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 64

Types of Exceptions

Learn Types of Exceptions with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 65

Checked and Unchecked Exceptions

Learn Checked and Unchecked Exceptions with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 66

Try Catch Block

Learn Try Catch Block with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 67

Multiple Catch Block

Learn Multiple Catch Block with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 68

Finally Block

Learn Finally Block with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 69

Throw Keyword

Learn Throw Keyword with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 70

Throws Keyword

Learn Throws Keyword with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 71

Exception Propagation

Learn Exception Propagation with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 72

Custom Exceptions

Learn Custom Exceptions with a clear explanation, practical examples, expected output, and common Java usage.

Module 8

Multithreading

Understand threads, Runnable, lifecycle, synchronization, communication, and daemon threads.

Java Multithreading

Learn Java Multithreading with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 74

Thread Class

Learn Thread Class with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 75

Runnable Interface

Learn Runnable Interface with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 76

Thread Lifecycle

Learn Thread Lifecycle with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 77

Thread Methods

Learn Thread Methods with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 78

Synchronization

Learn Synchronization with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 79

Inter-thread Communication

Learn Inter-thread Communication with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 80

Daemon Thread

Learn Daemon Thread with a clear explanation, practical examples, expected output, and common Java usage.

Module 9

Wrapper and Utility Classes

Learn wrappers, boxing, enums, date and time, Math, and Random.

Java Wrapper Classes

Learn Java Wrapper Classes with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 82

Java Autoboxing and Unboxing

Learn Java Autoboxing and Unboxing with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 83

Java Enum

Learn Java Enum with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 84

Java Date and Time API

Learn Java Date and Time API with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 85

Java Math Class

Learn Java Math Class with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 86

Java Random Class

Learn Java Random Class with a clear explanation, practical examples, expected output, and common Java usage.

Module 10

Collections Framework

Master List, Set, Queue, Map, iterators, and object comparison.

Collections Framework Overview

Learn Collections Framework Overview with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 88

List Interface

Learn List Interface with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 89

ArrayList

Learn ArrayList with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 90

LinkedList

Learn LinkedList with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 91

Vector

Learn Vector with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 92

Stack

Learn Stack with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 93

Set Interface

Learn Set Interface with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 94

HashSet

Learn HashSet with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 95

LinkedHashSet

Learn LinkedHashSet with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 96

TreeSet

Learn TreeSet with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 97

Queue Interface

Learn Queue Interface with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 98

PriorityQueue

Learn PriorityQueue with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 99

Deque

Learn Deque with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 100

Map Interface

Learn Map Interface with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 101

HashMap

Learn HashMap with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 102

LinkedHashMap

Learn LinkedHashMap with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 103

TreeMap

Learn TreeMap with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 104

Iterator

Learn Iterator with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 105

Comparable and Comparator

Learn Comparable and Comparator with a clear explanation, practical examples, expected output, and common Java usage.

Module 11

Advanced Java Concepts

Learn generics, nested classes, lambdas, streams, annotations, and reflection.

Java Generics

Learn Java Generics with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 107

Java Inner Classes

Learn Java Inner Classes with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 108

Java Nested Classes

Learn Java Nested Classes with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 109

Java Anonymous Classes

Learn Java Anonymous Classes with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 110

Java Lambda Expressions

Learn Java Lambda Expressions with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 111

Java Streams API

Learn Java Streams API with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 112

Java Annotations

Learn Java Annotations with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 113

Java Reflection API

Learn Java Reflection API with a clear explanation, practical examples, expected output, and common Java usage.

Module 12

Database Connectivity

Connect Java applications to databases using JDBC, statements, CRUD, batches, and transactions.

Java JDBC Introduction

Learn Java JDBC Introduction with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 115

JDBC Architecture

Learn JDBC Architecture with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 116

JDBC Drivers

Learn JDBC Drivers with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 117

Connecting to Database

Learn Connecting to Database with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 118

Statement Interface

Learn Statement Interface with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 119

PreparedStatement

Learn PreparedStatement with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 120

CallableStatement

Learn CallableStatement with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 121

ResultSet

Learn ResultSet with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 122

JDBC CRUD Operations

Learn JDBC CRUD Operations with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 123

Batch Processing

Learn Batch Processing with a clear explanation, practical examples, expected output, and common Java usage.

Open lesson Lesson 124

Transaction Management

Learn Transaction Management with a clear explanation, practical examples, expected output, and common Java usage.

Practice resources

Useful Java learning tools

Use these tools to practise concepts and strengthen your understanding.

Java Online Compiler

Write, compile, and run Java programs directly in your browser.

Java Coding Practice

Practice programming problems and improve your Java logic.

Java Practice Quiz

Review concepts with topic-wise Java quiz questions.

Frequently asked questions

Java tutorial FAQ

Direct answers to common questions before starting the roadmap.

Yes. Java has a structured syntax, strong object-oriented concepts, extensive documentation, and wide use in real applications.

You can begin Java with basic computer knowledge and simple logical thinking. Previous programming experience is not required.

Install the JDK to compile and run Java locally. For quick practice, you can use the ProwessApps online Java compiler.

Start with Java Introduction, complete lessons in order, run the examples, take quizzes, and revise each module before continuing.

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Start your Java learning journey

Begin with the first lesson and follow the roadmap one concept at a time.

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