In-depth understanding of java virtual machine---the development history of java virtual machine (4)

 

 

 

1.java virtual machine

A: There are many versions of the java virtual machine, but we often use Sun's HotSpot, you can get the java virtual machine version through the following command

B: JAVA virtual machine classification:

 1.Sun Class VM

2. Exact VM

Only used in Solaris in jdk1.2, not used in windows and linux

3. Hot Spot VM

Both the server side and the application side are involved

 4.KVM

5.JRockit

6.J9

j9 is developed by IBM.

7.Dalvik

One of the components of the Android platform, it is not a Java Virtual Machine because it does not implement the Java Virtual Machine specification.

8.microsoft VM

9.Azul VM Liquid VM