finalize example

When the garbage collector wants to reclaim objects, you first call the Finalize method of the class (you can write the program to validate the conclusion), and the normal Java-written class does not need to overwrite this method, because object has

 the Java Finalize method usestags: JAVAAPPLETOBJECTWIZARDJVM Work2011-08-21 11:37 48403 People read comments (5) favorite reports Classification:Java (+)"JAVA programming ideas":Java provides the finalize() method, which is called Finalize ()

Final keyword:The final keyword usually refers to "immutable", and the use of "cannot be changed" can be done for two reasons: design or efficiency.Final can modify variables, methods, and classes.first, final variablesA domain that is both static

From: http://www.cnblogs.com/lzhdim/archive/2009/11/04/1595845.html   Before learning about finalize and dispose, we need to understand two concepts: managed resources and non-commissioned resources.A. managed resources generally refer to the memory

The last post talked about the optimization of the garbage collector. After a long time, I didn't continue to talk about finalize (in fact, this is a bit of a problem with GC ). Today, let's take a look at the performance topics related to finalize

This is the best article I have read about finalize in Java. Finalize () in Java () When the garbage collector wants to recycle objects, it first needs to call the Finalize method of this class (you can write a program to verify this conclusion).

Finalfinal-modifier (keyword) If a class is declared final, it means that it can no longer derive a new subclass and cannot be inherited as a parent class. Therefore, a class cannot be declared abstract and declared final. Declaring variables or

Final-modifier (keyword) if a class is declared as final, it means that it cannot generate a new subclass and cannot be inherited as a parent class. Therefore, a class cannot be declared both abstract and final. Declare variables or methods as final

Directory Basic Preparation related knowledge object's destruction process An example of an object rebirth The finalize execution order of the object When and how to use Finalize Reference Basic Preparation related knowledge 1 Java GC is

Function Understanding Finalize ()-destructor substitution In many ways, Java is similar to C + +. Java syntax is very similar to C++,java classes, methods, and data members; Java classes have constructors; Java has exception handling.