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3 cards from this section. Quick, good the night before a test.
What does reordering in Java refer to?
Think about how CPUs optimize code execution.
What is a volatile variable?
Consider its role in synchronization.
What is the main purpose of reordering in Java?
Think about why optimization is important in programming.
True or False: Synchronization blocks can prevent issues with reordering.
What happens inside a synchronized block?
Design a simple multithreaded application that demonstrates the effects of instruction reordering. Describe any issues experienced when executing the program without using any synchronization.
Don't forget to consider what could happen with multiple threads accessing shared data.
Consider the implications of using volatile vs. synchronized blocks for a shared counter. Write a sample code comparing both implementations and analyze their behavior under multithreading.
Look carefully at how data is accessed and changed in each case.
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