Topics

• Getting started with C# Language
• Inheritance
• Streams
• Exceptions and exception handling
• Lambda Expressions
• Generics
• Arrays
• Interfaces
• Strings
• Executor, ExecutorService and Thread pools
• Object Class Methods and Constructor
• Optional
• Enums
• Annotations
• RecyclerView
• Operators
• Getting started with Python Language
• Getting started with Go
• SELECT
• Constructors
• Getting started with groovy
• StringBuilder
• Arrays
• BigInteger
• Getting started with junit
• Dependencies
• Closures
• Oracle Official Code Standard
• BufferedWriter
• LocalTime
• Comparable and Comparator
• Tests
• Object References
• Java Pitfalls - Nulls and NullPointerException
• Memoized Functions
• MongoDB Aggregation

Examples

• Creating a new console application (Visual Studio)
• Catching an exception with try-catch
• Creating a Generic Class
• Abstract Classes
• Creating and Initializing Arrays
• The Diamond
• Creating a List from an Array
• Infinite Streams
• toString() method
• Enums with constructors
• Using methods and static blocks
• Built-in annotations
• Runtime annotation checks via reflection
• The String Concatenation Operator (+)
• Usefulness of interfaces
• Select Individual Columns
• Defining annotation types
• Constructor with Arguments
• Introduction to Java lambdas
• Arrays to Stream
• Iterating over arrays
• Datatypes
• Reversing Strings
• The Conditional Operator (? :)
• FizzBuzz
• Method References
• BigInteger Mathematical Operations Examples
• Deciding between `T`, `? super T`, and `? extends T`
• Installation or Setup
• Getting Annotation values at run-time
• Add a Local JAR File Dependency
• Using IntStream to iterate over indexes
• Closure with implicit parameters
• Using Groovy on a Java project
• Operator Precedence
• Enum with properties (fields)
• Write a line of text to File
• Sorting a List using Comparable<T> or a Comparator<T>
• Convert enum to String
• Create a Map based on a Stream
• The Assignment Operators (=, +=, -=, *=, /=, %=, <<=, >>= , >>>=, &=, |= and ^=)
• The conditional-and and conditional-or Operators ( && and || )
• Enum constant specific body
• Package declaration
• Class Structure
• Java Closures with lambda expressions.
• Popup menu with recyclerView
• Creating an array of sequential numbers
• Compare and Contains for Enum values
• FlatMap
• submit() vs execute() exception handling differences
• Object References as method parameters
• Pitfall - "Making good" unexpected nulls
• Use cases for different types of concurrency constructs
• Wait for completion of all tasks in ExecutorService
• Memoize on closures
• Performance measurement
• Call parent constructor
• Get sample data