Java ClassLoaders works on a delegation mechanism. The basic and important idea behind it that every class loader has a parent class so class loader …

Java ClassLoader divided into three main types which are summarized below.

1. Bootstrap class loader

2. Extensions class loader

3-AppClass…

The main function of class loader subsystem is to load .class files to the various memory areas of JVM. The class loader subsystem internally contain…

JVM is the part of JRE (Java Run Time Environment), also known as execution machine or execution engine. The main purpose of JVM is to load .class fi…

There are two types of virtual machines which are summarized below.    

1-System |Hardware based Virtual machine  

 "…

The term virtual may refer to not physically existing. In the software terms, a virtual machine (VM) is a simulation of a physical system. Virtual ma…

The various compile-time exceptions in Exception Handling are summarized below.
1-Unreported exception
2-Exception has been already been caught &am…

Java provides various keywords to handle exceptions that are summarized below.

1-try:
"The try keyword is used to handle risky(exceptio…

As we know that Exceptions are divided into two parts.

1-Checked Exception
2-Unchecked Exception

1-Checked Exception:

"Checked Exc…

throw Keyword
"We use throw keyword for customized exception handling purpose. We declare our own exception explicitly by using throw keyword. …