The JVM class loading process and its procedures detail the Java life cycle, the JVM, the JVM runtime data area, the JVM memory model, and class loading

One, foreword

The JVM runtime data area is not the same concept as the JVM memory model

The Full Java life cycle

P.S. cites a picture from the Internet

Third, the JVM

4. Runtime data area

Java memory model

The Java memory model is a standard for reading and writing shared variables in the case of multi-thread concurrency, mainly to solve the problems of multi-thread visibility and atomicity, and solve the conflicts of multi-thread operation of shared variables.

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JVM class loading process