Ruby - Operators and ExpressionsIdentify the error in this Ruby code:puts 5 <==> 3AMissing parenthesesBInvalid operator <==>CWrong variable namesDNo error, code runs fineCheck Answer
Step-by-Step SolutionSolution:Step 1: Check the operator syntaxThe spaceship operator is <=>, but the code uses <==>, which is invalid.Step 2: Confirm this causes syntax errorRuby will raise a syntax error due to the invalid operator.Final Answer:Invalid operator <==> -> Option BQuick Check:Operator syntax error = A [OK]Quick Trick: Spaceship operator is exactly <=>, no extra = [OK]Common Mistakes:Typing <==> instead of <=>Assuming extra = is allowedIgnoring syntax errors
Master "Operators and Expressions" in Ruby9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepVisualTryChallengeProjectRecallTime
More Ruby Quizzes Arrays - Array creation methods - Quiz 12easy Arrays - Compact for removing nil values - Quiz 9hard Arrays - Array comparison and set operations - Quiz 14medium Control Flow - If, elsif, else statements - Quiz 13medium Control Flow - Inline if and unless (modifier form) - Quiz 11easy Hashes - Merge and update methods - Quiz 14medium Hashes - Merge and update methods - Quiz 1easy Operators and Expressions - Logical operators (&&, ||, !) - Quiz 9hard String Operations - Heredoc syntax for multiline strings - Quiz 13medium Variables and Data Types - String interpolation with #{} - Quiz 14medium