Practice - Immutability of Strings
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Practice Questions
Test your understanding with targeted questions
What does it mean for a string to be immutable?
💡 Hint: Think about whether altering a string would affect the original.
If you call toUpperCase() on a string 'hello', what happens?
💡 Hint: Consider what happens behind the scenes.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What happens when you try to change a string in Java?
💡 Hint: Consider how Java handles string operations.
Is it true that string immutability prevents accidental changes to string values?
💡 Hint: Think about why immutability exists.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Write a Java program that demonstrates string immutability by trying to modify a string and showing the original and new strings side by side.
💡 Hint: Pay attention to how the original string behaves after the operation.
Find and explain a scenario where string immutability could cause performance bottlenecks.
💡 Hint: Consider operations involving large loops and repeated string modifications.
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