5 Questions
What is the dangling else problem?
An optional else clause in an if-then statement resulting in ambiguous nested conditionals
What does it mean for the reference context-free grammar of the language to be ambiguous?
There is more than one correct parse tree
In which forms can one write conditionally executed code in many programming languages?
if-then and if-then-else
When does the ambiguity in interpretation arise in nested if-then-else statements?
When an if-then form appears as s1 in an if-then-else form
What does the presence of the dangling else problem result in?
More than one correct parse tree
Test your knowledge of the dangling else problem in programming with this quiz. Explore the ambiguity in nested conditionals and assess your understanding of the reference context-free grammar of programming languages.
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