What is the role of evaluation context/environment in operational semantics? They specify the program's memory structure. They define how terms (variables) should be reduced/evaluated They check the type of an expression. They determine the final output of a program. What is the difference between static and dynamic type checking? Static type checking occurs at compile-time, while dynamic type checking occurs at runtime. ○ Static type checking is faster than dynamic type checking. Dynamic type checking ensures that the program will not crash. Static type checking allows types to change during execution.

EBK JAVA PROGRAMMING
9th Edition
ISBN:9781337671385
Author:FARRELL
Publisher:FARRELL
Chapter2: Using Data
Section: Chapter Questions
Problem 14RQ
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What is the role of evaluation context/environment in operational semantics?
They specify the program's memory structure.
They define how terms (variables) should be reduced/evaluated
They check the type of an expression.
They determine the final output of a program.
Transcribed Image Text:What is the role of evaluation context/environment in operational semantics? They specify the program's memory structure. They define how terms (variables) should be reduced/evaluated They check the type of an expression. They determine the final output of a program.
What is the difference between static and dynamic type checking?
Static type checking occurs at compile-time, while dynamic type checking occurs at runtime.
○ Static type checking is faster than dynamic type checking.
Dynamic type checking ensures that the program will not crash.
Static type checking allows types to change during execution.
Transcribed Image Text:What is the difference between static and dynamic type checking? Static type checking occurs at compile-time, while dynamic type checking occurs at runtime. ○ Static type checking is faster than dynamic type checking. Dynamic type checking ensures that the program will not crash. Static type checking allows types to change during execution.
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