Swift Playgrounds Vocabulary, Learn to Code 2 – Flashcards
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variable
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a named container that stores a value that can be changed
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declaration
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a piece of code that creates something new in your application, such as a function, variable, or custom type
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assignment operator
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The = symbol used to set the value of a variable
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assignment
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an action that sets the value of a variable or constant
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Boolean
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a type that has a value of either true or false
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comparison operator
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a symbol, such as ==, !=, , =, used to compare two values
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Int
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a type that stores an integer - a number that has no decimal
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constant
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a named container that stores a value that can't be changed
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dot notation
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a form of syntax used to access the properties or call the methods of an instance
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property
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a variable (a named container that stores a value) defined inside a type
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instance
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a value of a particular type
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syntax
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the rules for writing code that computers can understand and run
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state
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the stored information of a variable, program, or system at a given time
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algorithm
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a step-by-step set of instructions or rules for solving a problem
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reusability
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a characteristic of code that allows it to be used in different situations within a program
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initialization
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the act of creating a new instance of a type, which includes setting initial values for any properties of the type
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type
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a name grouping of properties (the features) and methods (the behaviors) of a kind of data
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method
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a function, or set of commands, that's defined inside a type
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parameter
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the name of an input value to a function, used in the definition of the function. For example, move(distance: Int)
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call
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to tell a program to run a function
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for loop
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a block of repeated code that runs a certain number of times
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argument
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an input value passed into a function to customize its behavior
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enumeration
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a type that defines a set of unique, but related, values. For example, a Direction defines cases for each cardinal direction.
