[Java interview] JVM-related issues

In the major companies in the computer technology job interview, if you choose the more familiar language is Java, then the JVM will always be asked.

1. The garbage collection mechanism of the JVM

The JVM's memory is divided into three regions: the new Generation (young generation), the old age, the permanent generation.

2. Control options commonly used by the JVM

http://blog.csdn.net/jewes/article/details/42174893

The above blog post has a very detailed analysis, first sticky down, more understanding and then add.

3. JVM performance monitoring and fault handling

[Java interview] JVM-related issues