It is implemented in java by the $ExtClassLoader class. It loads the classes present in the extensions directories “ JAVA_HOME/jre/lib/ext” (Extension path) or any other directory specified by the system property. Extension class loader : It is a child of the bootstrap class loader.It is implemented in native languages like C, C++. This path is popularly known as the bootstrap path. It loads core java API classes present in the “ JAVA_HOME/jre/lib” directory. Bootstrap class loader : Every JVM implementation must have a bootstrap class loader, capable of loading trusted classes.In general, there are three class loaders : This is executed from top to bottom in a class and from parent to child in the class hierarchy. Initialization: In this phase, all static variables are assigned with their values defined in the code and static block(if any). It is done by searching into the method area to locate the referenced entity. Resolution : It is the process of replacing symbolic references from the type with direct references.Preparation : JVM allocates memory for class static variables and initializing the memory to default values.Once this activity is completed then the class file is ready for compilation. This activity is done by the component ByteCodeVerifier. If verification fails, we get run-time exception. it checks whether this file is properly formatted and generated by a valid compiler or not. Verification : It ensures the correctness of the.Linking: Performs verification, preparation, and (optionally) resolution. class” file, only one object of the class is created. ISRO CS Syllabus for Scientist/Engineer Exam.ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.Working with Excel Spreadsheets in Python.Instant Data Analysis in Advanced Excel.Food delivery system using HTML and CSS.Building a Survey Form using HTML and CSS.Top 10 System Design Interview Questions and Answers.Top 20 Puzzles Commonly Asked During SDE Interviews.Top 100 DSA Interview Questions Topic-wise.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |