What is a class loader? What are the different class loaders used by jvm?
What are various types of class loaders used by jvm?
Is jvm a overhead?
What is the difference between long.class and long.type?
What is the difference between system.out ,system.err and system.in?
What is a class loader?
Explain the different types of memory used by jvm?
Which are the different segments of memory?
Difference between new operator and class.forname().newinstance()?
What is metaspace?
What are the design considerations while making a choice between using interface and abstract class?
What is permgen or permanent generation?
Difference between loadclass and class.forname?
Can we have multiple struts config files ?
What are the classes used as part of struts framework ?