A multi-way if-else statement
(a) allows you to choose one course of action.
(b) always executes the else statement.
(c) allows you to choose among alternative courses of action.
(d) executes all Boolean conditions that evaluate to true.
(c) allows you to choose among alternative courses of action.
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Suppose ArrayList x contains two strings [Beijing, Singapore]. Which of the following method will cause runtime errors?
a. x.get(1) b. x.set(2, "New York"); c. x.get(2) d. x.remove(2) e. x.size()
Four Python thread synchronization mechanisms are _____,_______ ,______ and ______.
Fill in the blank(s) with the appropriate word(s).
A URL without a full Web address, such as index.htm, creates a(n) ____ reference, which is a link to a page within the same site.
a. relative b. internal c. absolute . d. external
Sorting algorithms are usually classified as either endogenous or exogenous.
Answer the following statement true (T) or false (F)