Java - Strings and String HandlingWhich statement about Java String methods is TRUE?AStrings are mutable and methods like replace() change the original stringBCalling toUpperCase() modifies the original string in placeCequals() compares references, not contentDMethods like substring() return a new string without modifying the originalCheck Answer
Step-by-Step SolutionSolution:Step 1: Recall String immutability in JavaStrings are immutable; methods return new strings without changing original.Step 2: Evaluate each optionA is false (Strings immutable), B is false (toUpperCase returns new string), D is false (equals() compares content).Final Answer:Methods like substring() return a new string without modifying the original -> Option DQuick Check:Java Strings are immutable; methods return new strings [OK]Quick Trick: Java Strings are immutable; methods return new strings [OK]Common Mistakes:Thinking Strings change in placeConfusing equals() with == operator
Master "Strings and String Handling" in Java9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepVisualTryChallengeProjectRecallTime
More Java Quizzes Arrays - Array traversal - Quiz 8hard Command Line Arguments - Accessing arguments - Quiz 14medium Command Line Arguments - Syntax for command line arguments - Quiz 1easy Memory Management Basics - Heap memory - Quiz 1easy Methods and Code Reusability - Method calling - Quiz 4medium Methods and Code Reusability - Method parameters - Quiz 15hard Packages and Access Control - Import statement usage - Quiz 2easy Static Keyword - Static blocks - Quiz 14medium Static Keyword - Static vs non-static behavior - Quiz 11easy Wrapper Classes - Unboxing - Quiz 13medium