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Compiler Construction: Static/Dynamic Distinction

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Compiler Construction: Static/Dynamic Distinction

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Questions and Answers

In Java, what does the term 'static' refer to in a class declaration?

Scope of the variable within the class

Ability of the compiler to determine the location in memory of the declared variable (correct)

Ability of the variable to change during program execution

Location of the variable in memory during program execution

In the context of compiler design, when does a static policy make decisions?

At compile time (correct)

After program execution

At run-time

During program execution

What type of scope does a language have if the scope of a declaration can be determined only by looking at the program?

Dynamic scope

Run-time scope

Static scope (correct)

Lexical scope

What is the main difference between names and identifiers?

Names can also be expressions, while identifiers refer to entities like data objects or procedures. Signup and view all the answers

What does a variable refer to?

A particular location of the store Signup and view all the answers

What is the most striking difference between binding and storage?

Binding enables abstraction, while storage only contains values, addresses, and registers Signup and view all the answers

What is the scope of declaration for an identifier local to a recursive procedure?

It refers to different locations of the store at different times Signup and view all the answers

When does binding time occur?

When a name is resolved to an entity Signup and view all the answers

What does object lifetime refer to?

The life of a programming entity if memory is allocated and initialized Signup and view all the answers

What can names do that storage cannot?

Refer to something without knowing the details Signup and view all the answers