Narzędzia to projektowania baz danych

GNU-GPL

Multiple versions/licenses (each has a “free” and a “not-free” version)

  • DBVisualizer
  • Toad http://www.toadsoft.com/

Not-free

  • Microsoft Visio – (If you already have it, it does work quite well)
  • DataStudio – 30 day trial http://www.aquafold.com
  • DBWrench – 30 day trial http://www.dbwrench.com/

ER diagram tool

  • http://druid.sf.net/
  • http://schemaspy.sourceforge.net/
  • http://uml.sourceforge.net/index.php

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Interfaces in Java – slideshare tutorial

Tutoriale jak definiować i używać interfejsów w Java oraz czym się różni interfejs od abstract class.

Interface in Java

  • Introduction to Interface
  • Multiple Inheritance – Example
  • Why Interfaces are needed
  • Java’s Interface Concept
  • Syntax
  • Semantic Rules for Interfaces
  • Example: An Interface for Shape Classes
  • Extending Interface
  • Abstract class and Interface
  • Benefits of Interfaces
  • Java’s Most used Interfaces

ABSTRACT CLASS & INTERFACE

  • What is interface?
  • How to define interface?
  • How to use interface?
  • Why not use abstract class instead of interface?
  • UML of interface
  • Importance of interface
  • Different between interface and abstract class
  • Notes for interface
  • Class Design Guidline
  • Last words

 

 

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