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  2. Immutable object - Wikipedia

    en.wikipedia.org/wiki/Immutable_object

    In object-oriented (OO) and functional programming, an immutable object (unchangeable [1] object) is an object whose state cannot be modified after it is created. [2] This is in contrast to a mutable object (changeable object), which can be modified after it is created. [3]

  3. String (computer science) - Wikipedia

    en.wikipedia.org/wiki/String_(computer_science)

    Some of these languages with immutable strings also provide another type that is mutable, such as Java and .NET's StringBuilder, the thread-safe Java StringBuffer, and the Cocoa NSMutableString. There are both advantages and disadvantages to immutability: although immutable strings may require inefficiently creating many copies, they are ...

  4. Purely functional data structure - Wikipedia

    en.wikipedia.org/wiki/Purely_functional_data...

    The main difference between an arbitrary data structure and a purely functional one is that the latter is (strongly) immutable. This restriction ensures the data structure possesses the advantages of immutable objects: (full) persistency, quick copy of objects, and thread safety.

  5. Value type and reference type - Wikipedia

    en.wikipedia.org/wiki/Value_type_and_reference_type

    Many languages have explicit pointers or references. Reference types differ from these in that the entities they refer to are always accessed via references; for example, whereas in C++ it's possible to have either a std:: string and a std:: string *, where the former is a mutable string and the latter is an explicit pointer to a mutable string (unless it's a null pointer), in Java it is only ...

  6. String interning - Wikipedia

    en.wikipedia.org/wiki/String_interning

    In computer science, string interning is a method of storing only one copy of each distinct string value, which must be immutable. [1] Interning strings makes some string processing tasks more time-efficient or space-efficient at the cost of requiring more time when the string is created or interned.

  7. US citizen detained in Russia for drug possession, says state ...

    www.aol.com/us-citizen-detained-russia-drug...

    Russian customs service detained a 28-year-old US citizen at Vnukovo Airport in Moscow for possession of cannabis-laced marmalade, according to Russian state media agency TASS.

  8. WA legislators, members of the public debate new education ...

    www.aol.com/news/wa-legislators-members-public...

    (The Center Square) – More than 2,600 people signed on to support a school choice bill that received a public hearing Thursday in Olympia. House Bill 1140, sponsored by Rep. Travis Couture, R ...

  9. Immutable interface - Wikipedia

    en.wikipedia.org/wiki/Immutable_interface

    In object-oriented programming, "immutable interface" is a pattern for designing an immutable object. [1] The immutable interface pattern involves defining a type which does not provide any methods which mutate state. Objects which are referenced by that type are not seen to have any mutable state, and appear immutable.