Given:
and
Which code fragment on line 1 makes the s1 set contain the names of all employees born before January 1, 1989?
Given the code fragment:
What is the result?
A)
B)
C)
D)
Given:
You want to obtain the Stream object on reading the file. Which code inserted on line 1 will accomplish this?
Your organization makes mlib.jar available to your cloud customers. While working on a code cleanup project for mlib.jar, you see this method by customers:
What security measures should be added to this method so that it meets the requirements for a customer accessible method?
Create a method that validates the hostName and portNumber parameters before opening the socket.
Make enableService private.
Enclose the call to new Socket In an AccessController.doPrivileged block.
TESTED 21 Nov 2024
