UBS java IV 2017

Q: How could you get short theta?

Q: For a double-linked list, what if the prev pointer field is final?

Q1b: Can you construct such a list?

Q1c: What operation can you perform on it?

Q: How do you tell if a java app (or part thereof) is live-locked?

Q: How do you know if a jvm is short of memory, without seeing OOM error?

%%A: GC log would show much higher activity than the “baseline”.

Q: if a java app has hundreds of threads but most of them are not doing work, then what thread states would they have?

%%A: they must be blocked

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