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Class loading mechanism (how classes are loaded)

2022-07-18 15:48:00 【Haozhan】

 load 
 i. The byte stream read from the file is loaded by the classloader 
 ii. Convert this byte stream into the runtime data structure of the method area 
 iii. Generate... In the heap Class object 
 link 
 i. verification 
 - File format 
 - Metadata 
 - Bytecode 
 - Symbol reference 
 ii. Get ready 
 Allocate memory and default values for static variables of the class 
 iii. analysis 
 Convert symbolic references to direct references 
 initialization 
 perform Clinit Method , Initialize the value of a static variable .