HomeCoursesLearn Intermediate Java

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Beginner

12h

Updated 2 months ago

Learn Intermediate Java

Gain insights into Java programming by exploring conditional statements, loops, math, logic, inheritance, generics, and arraylists, to become an intermediate Java developer.

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Overview

Content

Reviews

Learn Java for free with this interactive course, and get a handle on one of the most popular programming languages in the world. You'll start with a simple hello world program and proceed to cover common concepts such as Conditional Statements, Loop Statements, Math, and Logic in Java, before moving on to more advanced concepts like Inheritance, Generics, and ArrayLists, along with much more. By the time you're done, you'll be an intermediate level Java developer, ready to take on your own projects.

Learn Java for free with this interactive course, and get a handle on one of the most popular programming languages in the world...Show More

TAKEAWAY SKILLS

Data types

Variables

Operators

Expressions

Strings

Conditional Statements

Loops

Methods

Classes

Inheritance

Generics

ArrayLists

Arrays

Content

93 Lessons11 Quizzes1 Assessment1 Challenge

Getting Started with Java!

6 Lessons

Get familiar with Java basics, including "Hello World", coding structure, and compilation.

Hello World!

Hello World: Code Explanation

Compiling Your First Java Program!

Challenge: Play Around With 'print' Statement

Solution Review: Play Around With 'print' Statement

Quick Quiz!

Variables & User Input

7 Lessons

Unpack the core of Java variables, data types, syntax, user input, and variable declaration.

Variables in Java

Data Types

Variable Syntax

Taking Variable Value From User

Challenge: Declaring Variables

Solution Review: Declaring Variables

Quick Quiz!

Simple Maths & Logic

8 Lessons

Examine mathematical operations, functions, and logical expressions in Java with practical challenges and solutions.

Simple Java Maths

Mathematical Functions

Logical Expressions

Challenge 1: Compute an Expression Using Maths

Solution Review: Compute an Expression Using Maths

Challenge 2: Compute an Expression Using Logical Operators

Solution Review: Compute an Expression Using Logic

Quick Quiz!

Strings and String Processing

5 Lessons

Break down complex ideas about Java String manipulation and processing techniques.

Java Strings

String Methods

Challenge: Finding the Right Words

Solution Review: Finding the Right Words

Quick Quiz!

Conditional Statements

9 Lessons

Understand Java's conditional logic with if-else, switch cases, and compact conditional expressions.

Conditional Statement

if Conditional Statements

switch Statement

Conditional Expression

Challenge 1: Even or Odd

Solution Review: Even or Odd

Challenge 2: What Day is it?

Solution Review: What Day Is It?

Quick Quiz!

Loops

10 Lessons

Follow the process of understanding and implementing different Java loop structures and challenges.

while & do-while Loops

for Loop

Infinite Loops

Challenge 1: Multiplication Table of a Number

Solution Review: Multiplication Table of a Number

Challenge 2: Calculating the First 'n' Fibonacci Numbers

Solution Review: Calculating the first 'n' Fibonacci numbers

Challenge 3: Pyramid Printing by Using 'for' Loop

Solution Review: Pyramid Printing by Using 'for' Loop

Quick Quiz!

Methods

14 Lessons

Develop skills to define and use Java methods, parameters, constructors, and static methods.

Methods in Java

Parameters and Return Types in Methods

Return Parameters in Methods

Constructor

Static Methods

Challenge 1: Method to Check Sum

Solution Review: Method to Check Sum

Challenge 2: Letter Grade to GPA

Solution Review: Letter Grade to GPA

Challenge 3: Sum of Digits in an Integer

Solution Review: Sum of Digits in an Integer

Challenge 4: Playing With Strings

Solution Review: Playing With Strings

Quick Quiz!

Arrays

12 Lessons

Step through various array types, initialization methods, and implement essential array operations.

What Are Arrays?

A Bit More About Arrays

Two Dimensional Arrays

Challenge 1: Find the Maximum Value

Solution Review: Find the Maximum Value

Challenge 2: Sorting an Array

Solution Review: Sorting an Array

Challenge 3: Print a Matrix

Solution Review: Print a Matrix

Challenge 4: Pascal's Triangle

Solution Review: Pascal's Triangle

Quick Quiz!

Classes and Inheritance

9 Lessons

Get started with classes, constructors, methods, inheritance, and solving challenges in Java.

Introduction to Classes

Constructors

Class Member Methods

Inheritance in Java

Challenge 1: Calculating the Area

Solution Review: Calculating the Area

Challenge 2: Displaying Message Using Inheritance

Solution Review: Displaying Message Using Inheritance

Quick Quiz!

10.

Generics

5 Lessons

Break apart generics in Java to enhance code reusability, flexibility, and type safety.

Introduction to Generics

Generic Class

Challenge 1: Finding Max in an Array

Solution Review: Finding Max in an Array

Quick Quiz!

11.

ArrayLists

8 Lessons

Enhance your skills in using ArrayLists for dynamic storage, inbuilt methods, and practical challenges.

ArrayLists in Java

Creating an ArrayList Object

Inbuilt Methods

Challenge 1: Gathering Zeros to the Start

Solution Review: Gathering Zeros to the Start

Challenge 2: Remove Duplicates From an ArrayList

Solution Review: Remove Duplicates From an ArrayList

Quick Quiz!

Java Exam

Assessment

Certificate of Completion

Showcase your accomplishment by sharing your certificate of completion.

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Every Educative resource is designed by our in-house team of ex-MAANG software engineers and PhD computer science educators — subject matter experts who’ve shipped production code at scale and taught the theory behind it. The goal is to get you hands-on with the skills you need to stay ahead in today's constantly evolving tech landscape. No videos, no fluff — just interactive, project-based learning with personalized feedback that adapts to your goals and experience.

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Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Personalized Interview Prep

Skip the LeetCode grind with a custom roadmap that adapts to your goals. Hands-on practice for Coding Interviews, System Design, and more.

Mock Interviews

Test your skills in a simulated interview setting. Receive personalized feedback based on your performance. Available for Coding Interviews, System Design, and more.

AI Prompt

Build prompt engineering skills. Practice implementing AI-informed solutions.

Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

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