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Questions and Answers
What is the dangling else problem?
What is the dangling else problem?
- A syntax error in programming languages
- An optional else clause in an if-then statement resulting in ambiguous nested conditionals (correct)
- A problem with the interpretation of if-else statements
- An issue with the execution of if-then-else statements
What does it mean for the reference context-free grammar of the language to be ambiguous?
What does it mean for the reference context-free grammar of the language to be ambiguous?
- The grammar lacks if-then-else statements
- The grammar is not context-free
- The grammar is incorrect
- There is more than one correct parse tree (correct)
In which forms can one write conditionally executed code in many programming languages?
In which forms can one write conditionally executed code in many programming languages?
- if-else and switch-case
- while and for loops
- if-then and if-then-else (correct)
- try-catch and throw
When does the ambiguity in interpretation arise in nested if-then-else statements?
When does the ambiguity in interpretation arise in nested if-then-else statements?
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What does the presence of the dangling else problem result in?
What does the presence of the dangling else problem result in?
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