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  2. Comparison of programming languages (string functions)

    en.wikipedia.org/wiki/Comparison_of_programming...

    For function that manipulate strings, modern object-oriented languages, like C# and Java have immutable strings and return a copy (in newly allocated dynamic memory), while others, like C manipulate the original string unless the programmer copies data to a new string. See for example Concatenation below.

  3. Comparison of programming languages (strings) - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_programming...

    COBOL uses the STRING statement to concatenate string variables. MATLAB and Octave use the syntax "[x y]" to concatenate x and y. Visual Basic and Visual Basic .NET can also use the "+" sign but at the risk of ambiguity if a string representing a number and a number are together. Microsoft Excel allows both "&" and the function "=CONCATENATE(X,Y)".

  4. String interning - Wikipedia

    en.wikipedia.org/wiki/String_interning

    The single copy of each string is called its intern and is typically looked up by a method of the string class, for example String.intern() [2] in Java. All compile-time constant strings in Java are automatically interned using this method. [3] String interning is supported by some modern object-oriented programming languages, including Java ...

  5. Concatenation - Wikipedia

    en.wikipedia.org/wiki/Concatenation

    A spreadsheet's concatenate ("&") function is used to assemble a complex text string—in this example, XML code for an SVG "circle" element. In formal language theory and computer programming, string concatenation is the operation of joining character strings end-to-end. For example, the concatenation of "snow" and "ball" is "snowball".

  6. Java performance - Wikipedia

    en.wikipedia.org/wiki/Java_performance

    Apart from the improvements listed here, each release of Java introduced many performance improvements in the JVM and Java application programming interface (API). JDK 1.1.6: First just-in-time compilation (Symantec's JIT-compiler) [2] [22] J2SE 1.2: Use of a generational collector. J2SE 1.3: Just-in-time compiling by HotSpot.

  7. String operations - Wikipedia

    en.wikipedia.org/wiki/String_operations

    Simple single-letter substitution ciphers are examples of (ε-free) string homomorphisms. An example string homomorphism g uc can also be obtained by defining similar to the above substitution: g uc (‹a›) = ‹A›, ..., g uc (‹0›) = ε, but letting g uc be undefined on punctuation chars. Examples for inverse homomorphic images are

  8. Concatenated error correction code - Wikipedia

    en.wikipedia.org/wiki/Concatenated_error...

    In a generalization of above concatenation, there are N possible inner codes C in,i and the i-th symbol in a codeword of C out is transmitted across the inner channel using the i-th inner code. The Justesen codes are examples of generalized concatenated codes, where the outer code is a Reed–Solomon code.

  9. Comparison of C Sharp and Java - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_C_Sharp_and_Java

    The designers chose to address this problem with a four-step solution: 1) Introducing a compiler switch that indicates if Java 1.4 or later should be used, 2) Only marking assert as a keyword when compiling as Java 1.4 and later, 3) Defaulting to 1.3 to avoid rendering prior (non 1.4 aware code) invalid and 4) Issue warnings, if the keyword is ...