Quiz

 

1: static properties compared to the modified instance variables, what special

static : With the loaded class and load 
static modified 
   only loaded once 
   prior to object creation 
   as long as permission to allow through "Object .static Properties" call mode 
   exists in the area of the static field method 


modified property regardless of how many instances only this will produce a property, but also other instances of calling the same property

 

2: final structure which can be used to modify: What does it mean, respectively,

 

 

 

3: Singleton lazy mode and starving

 

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Origin www.cnblogs.com/zhaoyunlong/p/11672096.html