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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