1.JVM how to learn

A learning methodology and efficient learning evolution

• Learning also requires input output (to do the project, write a blog, notes, etc.)

• They understand the knowledge, let others speak and listen to others to understand

• See more video, take notes (notes software Evernote Evernote)

Two .JVM learning curve and difficult point analysis

•  Multi theory and boring, difficult to understand and practice

Three .JVM syllabus and tools

1.JVM syllabus

• JVM Introduction

• HotSpot virtual machine explain

• Detailed garbage collection

• Detailed garbage collection algorithm

• Detailed garbage collector

• Detailed generational garbage collection mechanism

• Explain the new generation

• Old's explanation

• Example G1 collector Analysis

• Common and important example of the virtual machine parameters

• Stack

• Methods district

• Thread shared memory area

• Root search algorithm

• Serial Collector

• ParNew collector

• Detailed class loading mechanism

• Parents delegate class loading mechanism

• Byte code file generation and analysis

• The number of magic

• Constant pool table and Methods

• Detailed instructions variety

• Detailed lock

• Thread Safety

• Biased locking the spin lock and lightweight lock

• JIT compiler

• GC log generation and analysis

• Detailed virtual machine monitoring tools

• jConsole use Comments

• What is escape and escape analysis

• Inline methods

• Detailed virtual machine memory model

2. tools

• Command Line:

  • jconsole

  • jvisualvm

  • jmap