Which statement is false?
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.
a. All built-in collections are synchronized. Actually, most built-in collections are unsynchronized by default for performance reasons.
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The ____ most common operators that produce Boolean values are called the ____ operators.
A. four; class B. four; logical C. six; relational D. six; arithmetic
In the statement
list[5] = 8.9; 5 is the: a) size b) element c) subscript d) variable
Explain the idea behind syslog and how it is used.
What will be an ideal response?
A text box, button, label, or other tool you use to add, edit, and display the data in a form or report.
What will be an ideal response?