Java Fundamentals

Getting Started

The Java Technology Phenomenon

How to write basic "hello world" application

How to compile and execute Java code

How to make the code a bit more complex

Java Syntax

Object-Oriented Programming Concepts

Variables, arrays, data types, operators, and control flow

What are reference variables

Classes and objects

What inheritance is and how it works

What Interfaces are, why they are written and how

How to use Java String and Number objects and how to format data for output

What packages are for and why we must use import directive

Java Objects

Java classes overview

Java class life cycle

Class modifiers and inheritance

Overloading" and overriding

Class constructors

Polymorphism

Relationships: IS and HAS

'static' keyword

When to use static members

Java Collections

Collection interface

Lists, maps and sets

Collections and arrays

Concurrency

Java Memory

Garbage collector

Heap and stack

Object life cycle

'finalize()' method

Java Exceptions

The general idea of Java Exceptions

Runtime and 'real' exceptions

Throwing an exception

'try...catch' statements

'throws' declaration

Designing your own exceptions

Java Concurrency

Threads and concurrency

Threaded tasks

Joining threads

Class variables visibility