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AP Computer Science Chapter 1 & 2 Review Latest Version Already Passed What does "type casting" do in programming? Type casting converts a variable from one data type to another, such as from an integer to a string. What is a "method" in object-oriented programming? A method is a function...

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  • September 1, 2024
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AP Computer Science Chapter 1 & 2
Review Latest Version Already Passed

What does "type casting" do in programming?


✔✔Type casting converts a variable from one data type to another, such as from an integer to a

string.




What is a "method" in object-oriented programming?


✔✔A method is a function that is defined within a class and operates on instances of that class.




What is the purpose of a "return type" in a function declaration?


✔✔The return type specifies the type of value a function will return, such as `int` or `string`.




What does "indexing" mean in the context of arrays?


✔✔Indexing refers to accessing an element in an array using its position or index number.




What is a "module" in programming?


✔✔A module is a separate file or component that contains related functions and data, which can

be imported and used in other programs.

1

, What does "concatenation" achieve with strings?


✔✔Concatenation combines two or more strings into a single string.




What is the function of a "constructor" in a class?


✔✔A constructor initializes an object when it is created, setting initial values for its attributes.




What is a "Boolean expression" and what does it evaluate?


✔✔A Boolean expression evaluates to either `true` or `false`, often used in conditional

statements and loops.




What does "scoping" determine in variable usage?


✔✔Scoping determines where a variable can be accessed or modified within a program based on

its declaration.




What is an "event handler" in graphical user interfaces?


✔✔An event handler is a function or method that responds to user actions, such as clicks or key

presses, in a graphical user interface.



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