Question
Which statement about String Immutability is the strongest interview answer?
- String Immutability is mostly a naming style choice and has little effect on runtime or design.
- String is immutable, which enables safe sharing, caching, and string-pool reuse.
- String Immutability exists mainly to reduce the number of Java files in a project.
- String Immutability matters only for frontend frameworks, not for core Java applications.
Hint
Start with the core rule behind String Immutability.
Answer and rationale
Correct answer: B. String is immutable, which enables safe sharing, caching, and string-pool reuse.
String is immutable, which enables safe sharing, caching, and string-pool reuse. This is the base concept interviewers commonly test first.
Track: Java