What does it mean that a tree is self-balancing?

a. It's a tree that automatically keeps its height small in the face of arbitrary item insertions and deletions
b. It's a tree that automatically checks for key duplication before inserting a value
c. It's a tree that checks for value duplication before inserting data under the given key
d. All of the above


a. It's a tree that automatically keeps its height small in the face of arbitrary item insertions and deletions

Computer Science & Information Technology

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What is the meaning of ( ) in the following lambda?

``` () -> System.out.println("Welcome to lambdas!") ``` a. the lambdas parameters are inferred b. the lambdas parameters are supplied by a method reference c. the lambda has an empty parameter list d. the given expression is not a valid lambda

Computer Science & Information Technology

Which of the choices below do not complete the following sentence correctly? A _________ is a ___________.

a. JMenuBar, JComponent. b. JMenuItem, AbstractButton. c. JMenu, JMenuItem. d. JRadioButtonMenuItem, JMenu.

Computer Science & Information Technology

Blogosphere is the practice of using social media sites to sell products and services

Indicate whether the statement is true or false

Computer Science & Information Technology

Interface design should call for attention to the interface, rather than facilitating design objectives.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology