5.8 - Passing Parameters (Call by Value)
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Practice Questions
Test your understanding with targeted questions
What does call by value mean?
💡 Hint: Think about whether the original variable is affected.
In the following code, will the variable num change after method call? changeValue(num);
💡 Hint: Remember what happens to the parameter inside the method.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does 'call by value' mean in Java?
💡 Hint: Think about whether the original data is altered.
In a method, if you modify the parameter, will it affect the original variable?
💡 Hint: Consider the concept of copies.
1 more question available
Challenge Problems
Push your limits with advanced challenges
How would you implement a method that can swap two integers? Considering Java's call by value behavior, explain how you'd return values.
💡 Hint: Think about how you would structure your data to allow two outputs.
Explain the implications of performance when passing large objects by value versus reference. Provide a brief example.
💡 Hint: Consider data transfer costs.
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