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java-notes's Introduction

java-notes

All java notes

Main topics of Java core

Java Syntax

Topics: Write your very first Java programs. Keyboard output

  1. Variables, methods, and classes
  2. DataTypes: int, double, boolean, String
  3. Keyboard input
  4. Conditions and loops
  5. Introduction to classes. Constructors and objects

Java Collections and Data Structures

Topics:

  1. Arrays
  2. ArrayList, LinkedList
  3. HashSet, HashMap
  4. Iterable
  5. Collection Interface
  6. List Interface and implementations
  7. Map Hierarchy
  8. Set Interface and implementations
  9. Queue
  10. Trees, Red-Black trees
  11. Iterators

Exceptions

Topics:

  1. Stack Trace
  2. Exceptions types
  3. Try Catch Finally construction
  4. Runtime Exceptions
  5. IOExceptions
  6. Multi-Catch

Object-Oriented Programming (OOP)

Topics:

  1. Classes and objects in general
  2. condition and behavior of the object
  3. Inheritance
  4. Encapsulation
  5. Polymorphism
  6. Overloading and overriding
  7. Abstraction and abstract classes
  8. Virtual Methods
  9. Interfaces
  10. Interface implementations
  11. InstanceOf
  12. Access Modifiers
  13. The order of Constructor calls

Input/output streams

Topics:

  1. Introduction to Input/Output Streams
  2. FileInputStream and FileOutputStream
  3. InputStream and OutputStream
  4. BufferedInputStream
  5. Your own wrapper for System.in
  6. Adapter
  7. Reader and Writer
  8. FileReader and FileWriter
  9. BufferedReader and InputStreamReader
  10. Your own wrapper for System.out

Multithreading

Topics:

  1. What is thread
  2. Creating and starting new threads
  3. Join
  4. Creating and stopping threads: start, interrupt, sleep, yield
  5. Marker interface and deep copies
  6. Synchronized, volatile
  7. Deadlock, Wait. notify, notifyAll

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