Western Governors University (WGU) ICSC2211 D684 Introduction to Computer Science Practice Test

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What is meant by 'strong typing' in programming?

A type system that allows any variable to hold any data type

A type system where types are strictly defined and enforced

Strong typing in programming refers to a type system in which types are strictly defined and enforced. This characteristic means that the programming language does not allow implicit type conversions and requires that the programmer explicitly define data types. In a strongly typed language, if an operation is attempted on mismatched types, an error occurs, which helps prevent bugs that stem from type-related issues.

For example, if you try to add an integer to a string in a strongly typed language, it would result in a compilation error or a runtime error, rather than implicitly converting the types or allowing the operation to proceed. This strict enforcement enhances code reliability and maintainability, as it forces the programmer to consider the data types in their operations, leading to clearer and more predictable code behavior.

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A method of handling exceptions

A technique for optimizing code performance

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