https://blog.mygraphql.com/zh/tags/classloader/ Recent content in Classloader on Mark 的滿紙方糖言 Hugo -- gohugo.io zh labile.zhu@gmail.com (Mark Zhu) labile.zhu@gmail.com (Mark Zhu) Mark Zhu ©2026, All Rights Reserved Thu, 01 Apr 2021 15:12:15 +0900 https://blog.mygraphql.com/zh/notes/java/classloader/builtin/ Thu, 01 Apr 2021 15:12:15 +0900 labile.zhu@gmail.com (Mark Zhu) Thu, 01 Apr 2021 15:12:15 +0900 https://blog.mygraphql.com/zh/notes/java/classloader/builtin/ <h2 id="内置-classloader">内置 Classloader</h2> <p><img src="https://blog.mygraphql.com/zh/notes/java/classloader/builtin/index.assets/clhierarchy.gif" alt="The class loader delegation model"></p> <p>Class loaders load classes and resources present on their respective classpath:</p> <ul> <li>System or application class loaders load classes from the application classpath</li> <li>Extension class loaders search on the Extension classpath (<em>JRE/lib/ext</em>)</li> <li>Bootstrap class loader looks on the Bootstrap classpath (<em>JRE/lib/rt.jar</em>)</li> </ul> <p>We can customize the default class loading behavior as well. We can explicitly specify the class loader while loading a class dynamically.</p> <p>However, we should note that if we load the same class from different types of class loaders, these will be seen as different resources by the JVM.</p> Mark Zhu java classloader