A node is logically deleted by recycling the memory.
Answer the following statement true (T) or false (F)
False
Correct.
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________ is a method reference for an instance method of a class. It creates a one- parameter lambda that invokes the instance method on the lambda’s argument and returns the method’s result.
a. Math::sqrt b. System.out::println c. TreeMap::new d. String::toUpperCase
Which statement is false?
a. All built-in collections are synchronized. b. Concurrent access to a Collection by multiple threads could cause indeterminate results or fatal errors. c. To prevent potential threading problems, synchronization wrappers are used around collection classes that might be accessed by multiple threads. d. A synchronization wrapper class receives method calls, adds some functionality for thread safety and then delegates the calls to the wrapped class.
How do you change how wide a pane is?
A) Position the pointer until you see a double-headed arrow. B) Double-click on the border of the pane C) Position the pointer until you see a four-headed arrow D) Drag the middle of the pane to the desired width
____________________ programs are software programs that are given away by the author for others to use free of charge.
Fill in the blank(s) with the appropriate word(s).