class loader hierarchy

The following is discuz! NT folder root directory:Class Kuto:From the above two graphs can be seen:1. dnt hierarchies for class libraries are differentiated by the hierarchy of names, such as Discuz.plugn and Discuz.Plugin.Spread2, in the folder hierarchy is also following the 1th form (in addition to the Admin project, the Admin project uses the technology of th

Java is designed primarily for the embedded domain, for some of the custom classes, consider using the load-on-demand principle, that is, when the program is used to load the class, saving memory consumption, the class loader can be loaded dynamically.If you're just doing web development, you'll rarely have to deal with ClassLoader, but it's essential if you want

network3) load. class files from archive files such as zip files and jar files4) extract the. class file from apsaradb5) dynamically compile the Java source file into a. class file (server) 4. Loader From http://blog.csdn.net/cutesource/article/details/5904501 JVM class lo

The Java ClassLoader is mainly divided into the following types: The class loader provided by the JVM Root ClassLoader: The underlying implementation that primarily loads the Java Core Class library (for example: java.lang.*) Extension ClassLoader: Using Java code implementation, mainly loaded as: jre/lib/ext/under the E

Java class loader and parent-parent Delegation Model, java Delegation Class and Class Loader Although the class loader is only used for loading actions of classes, its role in Java prog

1. Multi-Criteria Selector Purpose: Select multiple labels at the same time using multiple criteria Usage: $ ("Condition 1, Condition 2, Condition 3, ..., condition n"); Characteristics: Multiple conditions are separated by commas within ""; Use Case: $ ("div#id,span.tip,p"); Also select the DIV tag with id "id", the span label with the class "tip" and the P tag; 2, relative selector Purpose: Use the second parameter to select a relative element witho

In Java, exceptions are classified as checked exceptions, and run-time exceptions. Both are in the exception class hierarchy. This type of easy-to-choose quiz did you master the exception class and know which exception classes must be capturedThe following figure shows the inheritance relationship of the Java exception class.Figure 1The pink is the checked except

It is good to understand the Java class loading mechanism when doing Java development. The basic understanding of the class loading mechanism is also helpful for Java developers handling exceptions related to the ClassLoader (ClassLoader).class Loader delegation mechanismThe loading of Java classes is done through the

archive file such as Zip,jar 4 Extract the. class file from the proprietary database 5 Dynamically compile Java source files into. class file (server) 4. Loader from http://blog.csdn.net/cutesource/article/details/5904501 Class loading of the JVM is done through ClassLoader and its subclasses, and the

archive file such as Zip,jar 4 Extract the. class file from the proprietary database 5 Dynamically compile Java source files into. class file (server) 4. Loader from http://blog.csdn.net/cutesource/article/details/5904501 Class loading of the JVM is done through ClassLoader and its subclasses, and the

After Reading Wang Sen's Java deep adventure, he made a simple study note. 1. the Java class loader loads classes on demand only when a class is to be used (a class is instantiated using the new keyword, the Class Loader loads the