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For example, in Java, any class that implements the Comparable interface has a compareTo method which either returns a negative integer, zero, or a positive integer, or throws a NullPointerException (if one or both objects are null). Similarly, in the .NET framework, any class that implements the IComparable interface has such a CompareTo method.
For example, in Java, the Comparable interface specifies a method compareTo() which implementing classes must implement. This means that a sorting method, for example, can sort a collection of any objects of types which implement the Comparable interface, without having to know anything about the inner nature of the class (except that two of ...
Comparison of Java and .NET platforms ... and many others, for example: Point x: 10 y: 20. Array with:-1 with: 3 with: 2. JavaScript: ... compare x y or x.CompareTo(y ...
An example is the compareTo method: a. compareTo (b) checks whether a comes before or after b in some ordering, but the way to compare, say, two rational numbers will be different from the way to compare two strings. Other common examples of binary methods include equality tests, arithmetic operations, and set operations like subset and union.
The Test.min function uses simple bounded quantification and does not ensure the objects are mutually comparable, in contrast with the Test.fMin function which uses F-bounded quantification. In mathematical notation, the types of the two functions are min: ∀ T, ∀ S ⊆ {compareTo: T → int}. S → S → S fMin: ∀ T ⊆ Comparable[T]. T ...
An interface in the Java programming language is an abstract type that is used to declare a behavior that classes must implement. They are similar to protocols.Interfaces are declared using the interface keyword, and may only contain method signature and constant declarations (variable declarations that are declared to be both static and final).
a.compareTo(b) returns a negative value if a < b a.compareTo(b) returns zero if a = b a.compareTo(b) returns a positive value if a > b. The code to search for an interval is similar, except for the check in the middle:
string 1.compareTo(string 2) Cobra, Java: string 1.CompareTo(string 2) VB .NET, C#, F# (compare string 1 string 2) Clojure (string= string 1 string 2) Common Lisp (string-compare string 1 string 2 p< p= p>) Scheme (SRFI 13) (string= string 1 string 2) ISLISP: compare string 1 string 2: OCaml: String.compare (string 1, string 2) Standard ML [5 ...