Which of the following statements is false?
a. Thread synchronization is necessary only for shared mutable data, i.e., data that may change during its lifetime.
b. With shared immutable data that will not change, it’s not possible for a thread to see old or incorrect values as a result of another thread’s manipulation of that data.
c. When you share immutable data across threads, declare the corresponding data fields final to indicate that the values of the variables will not change after they’re initialized. This prevents accidental modification of the shared data, which could compromise thread safety.
d. Labeling object references as final indicates that the referenced object is immutable.
d. Labeling object references as final indicates that the referenced object is immutable. Actually, labeling object references as final indicates that the reference will not change, but it does not guarantee that the referenced object is immutable—this depends entirely on the object’s properties.
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Which of the following operators associates from left to right?
a. = b. ?: c. %= d. /
When using the ____________ operator, if one operand is a number and the other operand is a string, the number will be implicitly converted to a string, and both operands will be concatenated.
a. & b. * c. / d. +
Answer the following questions true (T) or false (F)
1. If B is a base class of D, then D’s members cannot access the private data members of B without regard to the kind of inheritance. 2. If B is a base class of D, then D’s members cannot invoke private member functions of B without regard to the kind of inheritance.
What is the basis for domain name resolution of names-to-IP addresses?
What will be an ideal response?