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COMP 6411 AA 2261 (Summer 2026)

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Which of the following languages supports "duck typing"?

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Some languages approach object oriented design in a very dynamic way, and use run-time message passing to invoke methods on target objects. Which pair of languages both use this message passing approach?

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The earliest version of the Fortran compiler had a number of constraints (or missing features). One of these was...

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Which of the following languages was never implemented on any computer?

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High level languages required a number of technology advances to be made before their design and implementation was actually possible. Which of the following represented such an advance?

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Let's say that we have the following C code:

int boo;

void thing(int x){

int bar = 4;

printf("%d", bar);

}

What is the binding time associated with the storage of the integer variable called boo?

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We spoke about the issue that it is possible in some cases for a compiler to accept long variable names when these names are defined inside a function, but shorter names must be used outside the function. Why was this the case?

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Which of the following is an example of dynamic binding?

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Let's say that you have the following C code (it's just a small part of a much larger program)

int result;

void calc(int x){

result = 999 + x;

}

What can you say about the storage allocation of result?

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Assume that you have the following simple Java method (note that this is a valid piece of code):



public void foo(int x, int y){

    int bar = 4;

    int baz = 7;

    System.out.println(bar + baz + x + y);

}

What is the lifetime of the variable called bar

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