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Switch statements function somewhat similarly to the if statement used in programming languages like C/C++, C#, Visual Basic .NET, Java and exist in most high-level imperative programming languages such as Pascal, Ada, C/C++, C#, [1]: 374–375 Visual Basic .NET, Java, [2]: 157–167 and in many other types of language, using such keywords as ...
Moose classes: A class has zero or more attributes. A class has zero or more methods. A class has zero or more superclasses (aka parent classes). A class inherits from its superclass(es). A class does zero or more roles, which add the ability to add pre-defined functionality to classes without subclassing. A class has a constructor and a ...
A language that supports the statement construct typically has rules for one or more of the following aspects: Statement terminator – marks the end of a statement; Statement separator – demarcates the boundary between two statements; need needed for the last statement; Line continuation – escapes a newline to continue a statement on the ...
END CLASS name. INTERFACE-ID. name« INHERITS« FROM» interfaces». members. END INTERFACE name. — Cobra class name «inherits parentclass» «implements interfaces» Tab ↹ members: interface name «inherits parentinterfaces» Tab ↹ members: namespace name Tab ↹ members: ISLISP (defclass name (base-class) ((x :initform 0 :accessor get ...
Executing a set of statements only if some condition is met (choice - i.e., conditional branch) Executing a set of statements zero or more times, until some condition is met (i.e., loop - the same as conditional branch) Executing a set of distant statements, after which the flow of control usually returns (subroutines, coroutines, and ...
«for index» «from first» «by increment» «to last» «while condition» do statements od: for key «to upb list» do «typename val=list[key];» statements od «while condition» do statements od «while statements; condition» do statements od «for index» «from first» «by increment» «to last» do statements od: APL:While condition
The loop control keywords are treated as expressions in Perl, not as statements like in C or Java. The next keyword jumps directly to the end of the current iteration of the loop. This usually causes the next iteration of the loop to be started, but the continue block and loop condition are evaluated first.
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.