alleryWhich package introduced mutable atomic wrapper classes in Java 5.0?
Aatomic package
Breflect package
Cregex package
Dlocks package
Answer & Solution
Correct answer: A. atomic package
The java.util.concurrent.atomic package hosts mutable atomic wrapper classes.
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Match Lewis marks:
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3. Rules: r. DeriveMatch Unicode units:
1. Unit: p. Fixed
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3. UTF8: r. PreferredMatch length types:
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2. Var: q. Runtime
3. Null: r. Zero byteMatch char scan:
1. Scan: p. In set
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3. Match: r. CharMatch immut trade:
1. Thread: p. Safe
2. Copies: q. Costly
3. State: r. SimplerMatch byte encodings:
1. CJK: p. Two bytes
2. EUC: q. ASCII safe
3. Shift: r. UnsafeMatch compare cost:
1. Equals: p. Bool
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3. C-str: r. CostlyMatch sub-strings:
1. Prefix: p. Start
2. Suffix: q. End
3. Factor: r. Slice