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
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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
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.
Blogosphere is the practice of using social media sites to sell products and services
Indicate whether the statement is true or false
Interface design should call for attention to the interface, rather than facilitating design objectives.
Answer the following statement true (T) or false (F)