Ruby - ArraysWhich feature makes arrays flexible in Ruby?AThey only work with numbersBThey can only store stringsCThey cannot be changed after creationDThey can store different types of objects togetherCheck Answer
Step-by-Step SolutionSolution:Step 1: Recall array flexibility in RubyRuby arrays can hold any type of object, mixed together.Step 2: Evaluate options for correctnessOnly They can store different types of objects together correctly states arrays can store different types together.Final Answer:They can store different types of objects together -> Option DQuick Check:Arrays = Mixed object storage [OK]Quick Trick: Arrays can mix data types freely [OK]Common Mistakes:MISTAKESAssuming arrays hold only one data typeThinking arrays are immutableBelieving arrays only hold numbers
Master "Arrays" in Ruby9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepVisualTryChallengeProjectRecallTime
More Ruby Quizzes Arrays - Compact for removing nil values - Quiz 11easy Control Flow - Ternary operator usage - Quiz 3easy Hashes - Hash creation with symbols and strings - Quiz 3easy Hashes - Merge and update methods - Quiz 12easy Methods - Method naming conventions (? and ! suffixes) - Quiz 14medium Operators and Expressions - Truthy and falsy values (only nil and false are falsy) - Quiz 10hard Ruby Basics and Runtime - Running scripts with ruby command - Quiz 4medium Ruby Basics and Runtime - IRB for interactive exploration - Quiz 5medium String Operations - String slicing and indexing - Quiz 10hard Variables and Data Types - Nil as the absence of value - Quiz 7medium