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2 cards from this section. Quick, good the night before a test.
What is a volatile variable?
Think about how threads see changes to a variable.
Can you declare a compound operation on a volatile variable?
Consider the nature of compound operations.
What is the purpose of the volatile keyword in Java?
Remember its role in thread safety.
True or False: A volatile variable can be used for compound operations.
Think about the meaning of atomicity.
Write a simple Java program utilizing a volatile variable to manage the stop condition of a thread. Explain potential issues if a normal variable were used instead.
Consider how visibility works with both variable types.
Explain why you can’t use a volatile variable for incrementing a counter. Provide a real-world analogy to illustrate your point.
Think about how simultaneous actions affect outcomes.
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