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5 cards from this section. Quick, good the night before a test.
What is the primary purpose of jconsole?
Think about its functionalities.
What kind of data can jstat provide?
Consider what aspects of performance need monitoring.
What tool would you use to gather thread stack traces?
Consider which tool focuses on threads specifically.
True or False: jvisualvm can only monitor local Java applications.
Think about the capabilities of jvisualvm.
You are experiencing frequent application crashes due to thread contention. How would you leverage jstack and jvisualvm to diagnose and resolve the issue?
Think about both the immediate thread state and the overall system performance.
You suspect there's a memory leak in your application. Describe how you would identify it using jvisualvm and explain how to utilize the captured data.
Focus on the memory allocation patterns and object lifespan.
5 more questions in this section. Enroll free to practise them all.
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