Java Programming for Complete Beginners

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Zero Java Programming Experience? No Problem.

Do you want to take the first steps to Become a Great Java Programmer? Do you want to Learn Java Step By Step in a Fail Safe in28Minutes Way? Do you want to Learn to Write Great Java Programs?

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******* Course Overview *******

Java is one of the most popular programming languages. Java offers both object oriented and functional programming features.

We take an hands-on approach using a combination of JShell and Eclipse as an IDE to illustrate more than 200 Java Coding Exercises, Puzzles and Code Examples. This course assumes no previous ( beginner ) programming or Java experience. If you’ve never programmed a computer before, or if you already have experience with another programming language and want to quickly learn Java, this is a perfect course for you.

In more than 250 Steps, we explore the most important Java Programming Language Features

Basics of Java Programming - Expressions, Variables and Printing Output

Java Operators - Java Assignment Operator, Relational and Logical Operators, Short Circuit Operators

Java Conditionals and If Statement

Methods - Parameters, Arguments and Return Values

Object Oriented Programming - Class, Object, State and Behavior

Basics of OOPS - Encapsulation, Abstraction, Inheritance and Polymorphism

Basics about Java Data Types - Casting, Operators and More

Java Built in Classes - BigDecimal, String, Java Wrapper Classes

Conditionals with Java - If Else Statement, Nested If Else, Java Switch Statement, Java Ternary Operator

Loops - For Loop, While Loop in Java, Do While Loop, Break and Continue

Immutablity of Java Wrapper Classes, String and BigDecimal

Java Dates - Introduction to LocalDate, LocalTime and LocalDateTime

Java Array and ArrayList - Java String Arrays, Arrays of Objects, Primitive Data Types, toString and Exceptions

Introduction to Variable Arguments

Basics of Designing a Class - Class, Object, State and Behavior. Deciding State and Constructors.

Understanding Object Composition and Inheritance

Java Abstract Class and Interfaces. Introduction to Polymorphism.

Java Collections - List Interface(ArrayList, LinkedList and Vector), Set Interface (HashSet, LinkedHashSet and TreeSet), Queue Interface (PriorityQueue) and Map Interface (HashMap, HashTable, LinkedHashMap and TreeMap() - Compare, Contrast and Choose

Generics - Why do we need Generics? Restrictions with extends and Generic Methods, WildCards - Upper Bound and Lower Bound.

Functional Programming - Lambda Expression, Stream and Operations on a Stream (Intermediate Operations - Sort, Distinct, Filter, Map and Terminal Operations - max, min, collect to List), Functional Interfaces - Predicate Interface,Consumer Interface, Function Inteface for Mapping, Method References - static and instance methods

Introduction to Threads and MultiThreading - Need for Threads

Implementing Threads - Extending Thread Class and Implementing Runnable Interface

States of a Thread and Communication between Threads

Introduction to Executor Service - Customizing number of Active Threads. Returning a Future, invokeAll and invokeAny

Introduction to Exception Handling - Your Thought Process during Exception Handling. try, catch and finally. Exception Hierarchy - Checked Exceptions vs Unchecked Exceptions. Throwing an Exception. Creating and Throwing a Custom Exception - CurrenciesDoNotMatchException. Try with Resources - New Feature in Java 7.

List files and folders in Directory with Files list method, File walk method and find methods. Read and write from a File.

******* What You Can Expect from Every in28Minutes Course *******

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Each of these courses come with

✔ Amazing Hands-on Step By Step Learning Experiences

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✔ Friendly Support in the Q&A section

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******* Step By Step Details *******

Introduction to Java Programming with Jshell using Multiplication Table

Step 00 - Getting Started with Programming

Step 01 - Introduction to Multiplication Table challenge

Step 02 - Launch JShell

Step 03 - Break Down Multiplication Table Challenge

Step 04 - Java Expression - An Introduction

Step 05 - Java Expression - Exercises

Step 06 - Java Expression - Puzzles

Step 07 - Printing output to console with Java

Step 08 - Printing output to console with Java - Exercise Statements

Step 09 - Printing output to console with Java - Exercise Solutions

Step 10 - Printing output to console with Java - Puzzles

Step 11 - Advanced Printing output to console with Java

Step 12 - Advanced Printing output to console with Java - Exercises and Puzzles

Step 13 - Introduction to Variables in Java

Step 14 - Introduction to Variables in Java - Exercises and Puzzles

Step 15 - 4 Important Things to Know about Variables in Java

Step 16 - How are variables stored in memory?

Step 17 - How to name a variable?

Step 18 - Understanding Primitive Variable Types in Java

Step 19 - Understanding Primitive Variable Types in Java - Choosing a Type

Step 20 - Java Assignment Operator

Step 21 - Java Assignment Operator - Puzzles on Increment, Decrement and Compound Assignment

Step 23 - Java Conditionals and If Statement - Introduction

Step 24 - Java Conditionals and If Statement - Exercise Statements

Step 25 - Java Conditionals and If Statement - Exercise Solutions

Step 26 - Java Conditionals and If Statement - Puzzles

Step 27 - Java For Loop to Print Multiplication Table - Introduction

Step 28 - Java For Loop to Print Multiplication Table - Exercise Statements

Step 29 - Java For Loop to Print Multiplication Table - Exercise Solutions

Step 30 - Java For Loop to Print Multiplication Table - Puzzles

Step 31 - Programming Tips : JShell - Shortcuts, Multiple Lines and Variables TODO Move up

Step 32 - Getting Started with Programming - Revise all Terminology

Introduction to Method with Multiplication Table

Step 00 - Section 02 - Methods - An Introduction

Step 01 - Your First Java Method - Hello World Twice and Exercise Statements

Step 02 - Introduction to Java Methods - Exercises and Puzzles

Step 03 - Programming Tip - Editing Methods with JShell

Step 04 - Introduction to Java Methods - Arguments and Parameters

Step 05 - Introduction to Java Method Arguments - Exercises

Step 06 - Introduction to Java Method Arguments - Puzzles and Tips

Step 07 - Getting back to Multiplication Table - Creating a method

Step 08 - Print Multiplication Table with a Parameter and Method Overloading

Step 09 - Passing Multiple Parameters to a Java Method

Step 10 - Returning from a Java Method - An Introduction

Step 11 - Returning from a Java Method - Exercises

Step 99 - Methods - Section Review

Introduction to Java Platform

Step 00 - Section 03 - Overview Of Java Platform - Section Overview

Step 01 - Overview Of Java Platform - An Introduction - java, javac, bytecode and JVM

Step 02 - Java Class and Object - First Look

Step 03 - Create a method in a Java class

Step 04 - Create and Compile Planet.java class

Step 05 - Run Planet calss with Java - Using a main method

Step 06 - Play and Learn with Planet Class

Step 07 - JDK vs JRE vs JVM

Introduction to Eclipse - First Java Project

Step 01 - Creating a New Java Project with Eclipse

Step 02 - Your first Java class with Eclipse

Step 03 - Writing Multiplication Table Java Program with Eclipse

Step 04 - Adding more methods for Multiplication Table Program

Step 05 - Programming Tip 1 : Refactoring with Eclipse

Step 06 - Programming Tip 2 : Debugging with Eclipse

Step 07 - Programming Tip 3 : Eclipse vs JShell - How to choose?

Introduction To Object Oriented Programming

Step 00 - Introduction to Object Oriented Programming - Section Overview

Step 01 - Introduction to Object Oriented Programming - Basics

Step 02 - Introduction to Object Oriented Programming - Terminology - Class, Object, State and Behavior

Step 03 - Introduction to Object Oriented Programming - Exercise - Online Shopping System and Person

Step 04 - Create Motor Bike Java Class and a couple of objects

Step 05 - Exercise Solutions - Book class and Three instances

Step 06 - Introducing State of an object with speed variable

Step 07 - Understanding basics of Encapsulation with Setter methods

Step 08 - Exercises and Tips - Getters and Generating Getters and Setters with Eclipse

Step 09 - Puzzles on this and initialization of member variables

Step 10 - First Advantage of Encapsulation

Step 11 - Introduction to Encapsulation - Level 2

Step 12 - Encapsulation Exercises - Better Validation and Book class

Step 13 - Introdcution to Abstraction

Step 14 - Introduction to Java Constructors

Step 15 - Introduction to Java Constructors - Exercises and Puzzles

Step 16 - Introduction to Object Oriented Programming - Conclusion

Primitive Data Types And Alternatives

Step 00 - Primitive Data Types in Depth - Section Overview

Step 01 - Basics about Java Integer Data Types - Casting, Operators and More

Step 02 - Java Integer Data Types - Puzzles - Octal, Hexadecimal, Post and Pre increment

Step 03 - Java Integer Data Types - Exercises - BiNumber - add, multiply and double

Step 04 - Java Floating Point Data Types - Casting , Conversion and Accuracy

Step 05 - Introduction to BigDecimal Java Class

Step 06 - BigDecimal Puzzles - Adding Integers

Step 07 - BigDecimal Exercises - Simple Interest Calculation

Step 08 - Java Boolean Data Type - Relational and Logical Operators

Step 09 - Java Boolean Data Type - Puzzles - Short Circuit Operators

Step 10 - Java Character Data Type char - Representation and Conversion

Step 11 - Java char Data Type - Exercises 1 - isVowel

Step 12 - Java char Data Type - Exercises 2 - isDigit

Step 13 - Java char Data Type - Exercises 3 - isConsonant, List Upper Case and Lower Case Characters

Step 14 - Primitive Data Types in Depth - Conclusion

Conditionals

Step 00 - Conditionals with Java - Section Overview

Step 01 - Introduction to If Else Statement

Step 02 - Introduction to Nested If Else

Step 03 - If Else Statement - Puzzles

Step 04 - If Else Problem - How to get User Input in Java?

Step 05 - If Else Problem - How to get number 2 and choice from user?

Step 06 - If Else Problem - Implementing with Nested If Else

Step 07 - Java Switch Statement - An introduction

Step 08 - Java Switch Statement - Puzzles - Default, Break and Fall Through

Step 09 - Java Switch Statement - Exercises - isWeekDay, nameOfMonth, nameOfDay

Step 10 - Java Ternary Operation - An Introduction

Step 11 - Conditionals with Java - Conclusion

Loops

Step 00 - Java Loops - Section Introduction

Step 01 - Java For Loop - Syntax and Puzzles

Step 02 - Java For Loop - Exercises Overview and First Exercise Prime Numbers

Step 03 - Java For Loop - Exercise - Sum Upto N Numbers and Sum of Divisors

Step 04 - Java For Loop - Exercise - Print a Number Triangle

Step 05 - While Loop in Java - An Introduction

Step 06 - While Loop - Exericises - Cubes and Squares upto limit

Step 07 - Do While Loop in Java - An Introduction

Step 08 - Do While Loop in Java - An Example - Cube while user enters positive numbers

Step 09 - Introduction to Break and Continue

Step 10 - Selecting Loop in Java - For vs While vs Do While

Reference Types

Step 00 - Java Reference Types - Section Introduction

Step 01 - Reference Types - How are they stored in Memory?

Step 02 - Java Reference Types - Puzzles

Step 03 - String class - Introduction and Exercise - Print each word and char on a new line

Step 04 - String class - Exercise Solution and Some More Important Methods

Step 05 - Understanding String is Immutable and String Concat, Upper Case, Lower Case, Trim methods

Step 06 - String Concatenation and Join, Replace Methods

Step 07 - Java String Alternatives - StringBuffer and StringBuilder

Step 08 - Java Wrapper Classes - An Introduction - Why and What?

Step 09 - Java Wrapper Classes - Creation - Constructor and valueOf

Step 10 - Java Wrapper Classes - Auto Boxing and a Few Wrapper Constants - SIZE, BYTES, MAX_VALUE and MIN_VALUE

Step 11 - Java Dates - Introduction to LocalDate, LocalTime and LocalDateTime

Step 12 - Java Dates - Exploring LocalDate - Creation and Methods to play with Date

Step 13 - Java Dates - Exploring LocalDate - Comparing Dates and Creating Specific Dates

Step 14 - Java Reference Types - Conclusion

Arrays and ArrayLists

Step 00 - Introduction to Array and ArrayList - Section Introduction with a Challenge

Step 01 - Understanding the need and Basics about an Array

Step 02 - Java Arrays - Creating and Accessing Values - Introduction

Step 03 - Java Arrays - Puzzles - Arrays of Objects, Primitive Data Types, toString and Exceptions

Step 04 - Java Arrays - Compare, Sort and Fill

Step 05 - Java Arrays - Exercise - Create Student Class - Part 1 - Total and Average Marks

Step 06 - Java Arrays - Exercise - Create Student Class - Part 2 - Maximum and Minimum Mark

Step 07 - Introduction to Variable Arguments - Need

Step 08 - Introduction to Variable Arguments - Basics

Step 09 - Introduction to Variable Arguments - Enhancing Student Class

Step 10 - Java Arrays - Using Person Objects and String Elements with Exercises

Step 11 - Java String Arrays - Exercise Solutions - Print Day of Week with Most number of letters and more

Step 12 - Adding and Removing Marks - Problem with Arrays

Step 13 - First Look at ArrayList - An Introduction

Step 14 - First Look at ArrayList - Refactoring Student Class to use ArrayList

Step 15 - First Look at ArrayList - Enhancing Student Class with Add and Remove Marks

Step 16 - Introduction to Array and ArrayList - Conclusion

Object Oriented Programming Again

Step 00 - Object Oriented Programming - Level 2 - Section Introduction

Step 01 - Basics of Designing a Class - Class, Object, State and Behavior

Step 02 - OOPS Example - Fan Class - Deciding State and Constructors

Step 03 - OOPS Example - Fan Class - Deciding Behavior with Methods

Step 04 - OOPS Exercise - Rectangle Class

Step 05 - Understanding Object Composition with Customer Address Example

Step 06 - Understanding Object Composition - An Exercise - Books and Reviews

Step 07 - Understanding Inheritance - Why do we need it?

Step 08 - Object is at top of Inheritance Hierarchy

Step 09 - Inheritance and Overriding - with toString() method

Step 10 - Java Inheritance - Exercise - Student and Employee Classes

Step 11 - Java Inheritance - Default Constructors and super() method call

Step 12 - Java Inheritance - Puzzles - Multiple Inheritance, Reference Variables and instanceof

Step 13 - Java Abstract Class - Introductio

Step 14 - Java Abstract Class - First Example - Creating Recipes with Template Method

Step 15 - Java Abstract Class - Puzzles

Step 16 - Java Interface - Example 1 - Gaming Console - How to think about Intefaces?

Step 17 - Java Interface - Example 2 - Complex Algorithm - API defined by external team

Step 18 - Java Interface - Puzzles - Unimplemented methods, Abstract Classes, Variables, Default Methods and more

Step 19 - Java Interface vs Abstract Class - A Comparison

Step 20 - Java Interface Flyable and Abstract Class Animal - An Exercise

Step 21 - Polymorphism - An introduction

Collections

Step 01 - Java Collections - Section Overview with Need For Collections

Step 02 - List Interface - Introduction - Position is King

Step 03 - List Inteface - Immutability and Introduction of Implementations - ArrayList, LinkedList and Vector

Step 04 - List Inteface Implementations - ArrayList vs LinkedList

Step 05 - List Inteface Implementations - ArrayList vs Vector

Step 06 - List Inteface - Methods to add, remove and change elements and lists

Step 07 - List and ArrayList - Iterating around elements

Step 08 - List and ArrayList - Choosing iteration approach for printing and deleting elements

Step 09 - List and ArrayList - Puzzles - Type Safety and Removing Integers

Step 10 - List and ArrayList - Sorting - Introduction to Collections sort static method

Step 11 - List and ArrayList - Sorting - Implementing Comparable Inteface in Student Class

Step 12 - List and ArrayList - Sorting - Providing Flexibility by implementing Comparator interface

Step 13 - List and ArrayList - A Summary

Step 14 - Set Interface - Introduction - No Duplication

Step 15 - Understanding Data Structures - Array, LinkedList and Hashing

Step 16 - Understanding Data Structures - Tree - Sorted Order

Step 17 - Set Interface - Hands on - HashSet, LinkedHashSet and TreeSet

Step 18 - Set Interface - Exercise - Find Unique Characters in a List

Step 19 - TreeSet - Methods from NavigableSet - floor,lower,upper, subSet, head and tailSet

Step 20 - Queue Interface - Process Elements in Order

Step 21 - Introduction to PriorityQueue - Basic Methods and Customized Priority

Step 22 - Map Interface - An Introduction - Key and Value

Step 23 - Map Interface - Implementations - HashMap, HashTable, LinkedHashMap and TreeMap

Step 24 - Map Interface - Basic Operations

Step 25 - Map Interface - Comparison - HashMap vs LinkedHashMap vs TreeMap

Step 26 - Map Interface - Exercise - Count occurances of characters and words in a piece of text

Step 27 - TreeMap - Methods from NavigableMap - floorKey, higherKey, firstEntry, subMap and more

Step 28 - Java Collections - Conclusion with Three Tips

Generics

Step 01 - Introduction to Generics - Why do we need Generics?

Step 02 - Implementing Generics for the Custom List

Step 03 - Extending Custom List with a Generic Return Method

Step 04 - Generics Puzzles - Restrictions with extends and Generic Methods

Step 05 - Generics and WildCards - Upper Bound and Lower Bound

Introduction to Functional Programming

Step 01 - Introduction to Functional Programming - Functions are First Class Citizens

Step 02 - Functional Programming - First Example with Function as Parameter

Step 03 - Functional Programming - Exercise - Loop a List of Numbers

Step 04 - Functional Programming - Filtering - Exercises to print odd and even numbers from List

Step 05 - Functional Programming - Collect - Sum of Numbers in a List

Step 06 - Functional Programming vs Structural Programming - A Quick Comparison

Step 07 - Functional Programming Terminology - Lambda Expression, Stream and Operations on a Stream

Step 08 - Stream Intermediate Operations - Sort, Distinct, Filter and Map

Step 09 - Stream Intermediate Operations - Exercises - Squares of First 10, Map String List to LowerCase and Length of String

Step 10 - Stream Terminal Operations - 1 - max operation with Comparator

Step 11 - Stream Terminal Operations - 2 - min, collect to List,

Step 12 - Optional class in Java - An Introduction

Step 13 - Behind the Screens with Functional Interfaces - Implement Predicate Interface

Step 14 - Behind the Screens with Functional Interfaces - Implement Consumer Interface

Step 15 - Behind the Screens with Functional Interfaces - Implement Function Inteface for Mapping

Step 16 - Simplify Functional Programming code with Method References - static and instance methods

Step 17 - Functions are First Class Citizens

Step 18 - Introduction to Functional Programming - Conclusion

Introduction to Threads And Concurrency

Step 01 - Introduction to Threads and MultiThreading - Need for Threads

Step 02 - Creating a Thread for Task1 - Extending Thread Class

Step 03 - Creating a Thread for Task2 - Implement Runnable Interface

Step 04 - Theory - States of a Thread

Step 05 - Placing Priority Requests for Threads

Step 06 - Communication between Threads - join method

Step 07 - Thread utility methods and synchronized keyword - sleep, yield

Step 08 - Need for Controlling the Execution of Threads

Step 09 - Introduction to Executor Service

Step 10 - Executor Service - Customizing number of Threads

Step 11 - Executor Service - Returning a Future from Thread using Callable

Step 12 - Executor Service - Waiting for completion of multiple tasks using invokeAll

Step 13 - Executor Service - Wait for only the fastest task using invokeAny

Step 14 - Threads and MultiThreading - Conclusion

Introduction to Exception Handling

Step 01 - Introduction to Exception Handling - Your Thought Process during Exception Handling

Step 02 - Basics of Exceptions - NullPointerException and StackTrace

Step 03 - Basics of Handling Exceptions - try and catch

Step 04 - Basics of Handling Exceptions - Exception Hierarchy, Matching and Catching Multiple Exceptions

Step 05 - Basics of Handling Exceptions - Need for finally

Step 06 - Basics of Handling Exceptions - Puzzles

Step 07 - Checked Exceptions vs Unchecked Exceptions - An Example

Step 08 - Hierarchy of Errors and Exceptions - Checked and Runtime

Step 09 - Throwing an Exception - Currencies Do Not Match Runtime Exception

Step 10 - Throwing a Checked Exception - Throws in method signature and handling

Step 11 - Throwing a Custom Exception - CurrenciesDoNotMatchException

Step 12 - Write less code with Try with Resources - New Feature in Java 7

Step 13 - Basics of Handling Exceptions - Puzzles 2

Step 14 - Exception Handling - Conclusion with Best Practices

Files and Directories

Step 01 - List files and folders in Directory with Files list method

Step 02 - Recursively List and Filter all files and folders in Directory with Step Files walk method and Search with find method

Step 03 - Read content from a File - Files readAllLines and lines methods

Step 04 - Writing Content to a File - Files write method

Step 05 - Files - Conclusion

More Concurrency with Concurrent Collections and Atomic Operations

Step 01 - Getting started with Synchronized

Step 02 - Problem with Synchronized - Less Concurrency

Step 03 - Enter Locks with ReEntrantLock

Step 04 - Introduction to Atomic Classes - AtomicInteger

Step 05 - Need for ConcurrentMap

Step 06 - Implementing an example with ConcurrentHashMap

Step 07 - ConcurrentHashMap uses different locks for diferrent regions

Step 08 - CopyOnWrite Concurrent Collections - When reads are more than writes

Step 09 - Conclusion

Java Tips

Java Tip 01 - Imports and Static Imports

Java Tip 02 - Blocks

Java Tip 03 - equals method

Java Tip 04 - hashcode method

Java Tip 05 - Class Access Modifiers - public and default

Java Tip 06 - Method Access Modifiers - public, protected, private and default

Java Tip 07 - Final classes and Final methods

Java Tip 08 - Final Variables and Final Arguments

Java Tip 09 - Why do we need static variables?

Java Tip 09 - Why do we need static methods?

Java Tip 10 - Static methods cannot use instance methods or variables

Java Tip 11 - public static final - Constants

Java Tip 12 - Nested Classes - Inner Class vs Static Nested Class

Java Tip 13 - Anonymous Classes

Java Tip 14 - Why Enum and Enum Basics - ordinal and values

Java Tip 15 - Enum - Constructor, variables and methods

Java Tip 16 - Quick look at inbuild Enums - Month, DayOfWeek

Start Learning Now. Hit the Enroll Button!

Who this course is for:

You have ZERO programming experience and want to learn Java Programming

You are a Beginner at Java Programming and want to Learn to write Great Java Programs

You want to learn the Basics of Object Oriented Programming with Java

You want to learn the Basics of Functional Programming with Java

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