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Pseudocode typically omits details that are essential for machine implementation of the algorithm, meaning that pseudocode can only be verified by hand. [3] The programming language is augmented with natural language description details, where convenient, or with compact mathematical notation .
Here is a pseudocode example in a C#/Java like language: ... PerfectJPattern Open Source Project, Provides a reusable implementation of Delegates in Java
This is a pseudocode implementation of an optimal fixed-memory flood-fill algorithm written in structured English: The variables. cur, mark, and mark2 each hold either pixel coordinates or a null value NOTE: when mark is set to null, do not erase its previous coordinate value. Keep those coordinates available to be recalled if necessary.
For example, given b = 5, e = 3 and m = 13, dividing 5 3 = 125 by 13 leaves a remainder of c = 8. Modular exponentiation can be performed with a negative exponent e by finding the modular multiplicative inverse d of b modulo m using the extended Euclidean algorithm. That is: c = b e mod m = d −e mod m, where e < 0 and b ⋅ d ≡ 1 (mod m).
A generic example of pseudocode Pseudocode is most commonly found when developing the structure of a new piece of software . It is a plain English portrayal of a particular function within a larger system, or can even be a representation of a whole program.
This PHP example shows interface implementations instead of subclassing (however, the same can be achieved through subclassing). The factory method can also be defined as publicand called directly by the client code (in contrast to the previous Java example).
For example, bubble sort is () on a list that is already sorted, while quicksort would still perform its entire () sorting process. While any sorting algorithm can be made O ( n ) {\displaystyle O(n)} on a presorted list simply by checking the list before the algorithm runs, improved performance on almost-sorted lists is harder to replicate.
The term "P-code machine" is applied generically to all such machines (such as the Java virtual machine (JVM) and MATLAB pre-compiled code), as well as specific implementations using those machines. One of the most notable uses of P-Code machines is the P-Machine of the Pascal-P system.