memory space (RSS)

Set-LinkedList and ArrayList Summary

1. Both the UML inheritance diagram: 2. Both are implemented: ArrayList: Internal data access using the array to achieve RandomAccess interface, support for random access LinkedList: Internal use link ...

Hibernate object status and operation of

Hibernate objects of three kinds of status, are as follows: the instantaneous state (Transient), persistent state (Persistent), detached state (Detached). In a persistent state of the object, also kno ...

Performance Optimization of Java

Java in the mid nineties after the impressive win at the same time, but also attracted some criticism. Won the admiration of the major Java are cross-platform interoperability, the so-called "Wri ...

Hibernate performance optimization techniques

Deal with large amount of data at the time, there will be many data buffer stored in the Session level cache, this cache will be great too serious display performance, so in the use of Hibernate handl ...