Write a program to print all permutations of string?
I want to store more than 10 objects in a remote server? Which methodology will follow?
What are the observer and observable classes?
what is the purpose of "virtual"?
what is meant by package in java?
Which collection is thread safe in java?
What is off heap memory?
What are the important features of Java 10 release?
How do I start learning java?
What are different type of access modifiers?
What is a map? What are the implementations of map?
I need some details about an employee. i have only the employee id in my presentation layer(JSP).I entered that ID and click "Show Details" Button. Question is how the JSP pass that id to Controller layer and DAO and what mechanism we are using to retrive data from DB and how the data passed to JSP as a Output. Please explain in detail.
What are the types of casting?