Is the empty set a singleton?
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Which collections are thread safe in java?
What does main method?
What is string and its types?
How does access modifiers work?
How do you check if two given string are anagrams?
Why can't we override private static methods?
What is the use of :: in java?
What is final int?
Difference between default and protected access specifiers?
write java code to print second max number in the array
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.
Does substring create a new object?