Group Activity - Inheritance

A Player has the following attributes: 

• Name
• Health
• Strength
• intelligence
• Location
• X coordinate
• Y coordinate
• Inventory
• a collection of InventoryItem's - each InventoryItem has the following attributes
• ID
• Price
• Weight.

A Weapon is a type of InventoryItem. It has a single int attribute: DPS. 

• An object of Weapon type may be constructed with or without providing a value for this attribute. 
• A Gun is a type of Weapon. It has a single int attribute: ammoCount. A value for this attribute must be provided in the constructor. 
• A Stick is a type of Weapon. It has a single int attribute: stickLength. A value for this attribute must be provided in the constructor.

A Tool is a type of InventoryItem. It has a single int attribute: numberOfUses. 

• An object of Tool type may be constructed with or without providing a value for this attribute. 
• A Key is a type of Tool. It has a single String attribute: keyName. A value for this attribute must be provided in the constructor. 
• A Mirror is a type of Tool. It has a single String attribute: mirrorName. A value for this attribute must be provided in the constructor.

Original Post Jul 29th 2012

Inheritance Scenario: XYZ

yClass is a type of xClass. 

A XClass has 3 int states, x,y & z. 

An object of the xClass may be created by providing a value for all 3 of these states and also by providing only x & y. 

The yClass has 2 int states, a & b. 

An object of the yClass may be created by providing a value for a, or values for both a & b. 

The zClass is a type of yClass and has 1 int state called c. 

An object of the zClass may be created with or without supplying a value for c.

Original Post Jul 23rd 2012