20-from scratch to JavaWeb-Super keyword and subclass initialization process, 20-javaweb-super

20-from scratch to JavaWeb-Super keyword and subclass initialization process, 20-javaweb-super

Detailed videos

Super keyword

Inherited memory Analysis

Comparison between this and super

Hide inherited Fields

Inherit the Object root class

 

I. Role of the Super keyword

This: The current object, who calls the method where this is located, which image is this.
Super: the parent class Object of the current object.

Use super. fly in the test method to specify to call the fly method in the parent class.

 

Ii. Super Memory graph analysis

 

Iii. Subclass initialization process

 

Iv. Use Cases of Super keywords

 

5. Hidden concepts

 

Vi. Object Class

 Code-software in group file sharing