Are there improvements on the concept of a B-tree?
What will be an ideal response?
are two variations on B-trees that improve aspects of their use. One, -trees, has a higher minimum
capacity of elements in each node, which may reduce wasted space in some implementations. Another, -trees, addresses issues
with sequential access. -trees allow quick access to elements in order, but at the cost of data duplication and additional overhead
to manage duplicate copies of elements.
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Which statement is false?
a. When a List is backed by an array, any modifications made through the List view change the array. b. When a List is backed by an array, any modifications made to the array change the List view. c. The only operation permitted on the view returned by Arrays method asList is delete, which deletes the value from the view and the backing array. d. Adding elements to the view returned by Arrays method asList results in an UnsupportedOperationException.
Write Java statements to apply currency formatting to the number 100. Indicate the package you need to import.
What will be an ideal response?
Which of the following is not a superclass/subclass relationship?
a. Employee/Hourly Employee. b. Vehicle/Car. c. Sailboat/Tugboat. d. None of the above.
An ____ is the adjective that defines the type of access that outside classes will have to the attribute or method.
A. attribute definer B. attribute specifier C. access definer D. access specifier