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Core Java - Interview Questions and Answers for 'Memory leaks' - 5 question(s) found - Order By Newest

 Q1. How substring() method of String class create memory leaks?Core Java
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Ans. substring method would build a new String object keeping a reference to the whole char array, to avoid copying it. Hence you can inadvertently keep a reference to a very big character array with just a one character string.

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   Like         Discuss         Correct / Improve     java   string class   string   substring   memory leaks   jvm   memory management   advanced   architecture   technical architect   technical lead      expert


 Q2. Name few tools for probing Java Memory Leaks ?
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Ans. JProbe, OptimizeIt

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   Like         Discuss         Correct / Improve     java   tools   jvm   memory management   memory leaks   jprobe   optimeit   architecture   technical lead


 Q3. How do you check memory leak in Java?Core Java2017-12-26 10:02:18

Ans. You need to capture heap dump when it's in the healthy state. Start your application. Let it take real traffic for 10 minutes. At this point, capture heap dump. Heap Dump is basically the snapshot of your memory. It contains all objects that are residing in the memory, values stored in those objects, inbound

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   Like         Discuss         Correct / Improve     memory leaks  heap dump     Asked in 1 Companies      intermediate


 Q4. What is memory leak ? How Java helps countering memory leaks compared to C++ ?Core Java2017-01-19 14:04:02

Ans. Memory Leak is a situation wherein we have a reserved memory location but the program has lost its reference and hence has no way to access it.

Java doesn't have concept of Pointers, Moreover Java has concept of Garbage collection that frees up space in heap that has lost its references.

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   Like         Discuss         Correct / Improve     memory leak  garbage collection      intermediate        frequent


 Q5. Explain memory leaks and how to prevent them.2019-09-10 14:45:39

 This question was recently asked at 'Polaris'.This question is still unanswered. Can you please provide an answer.


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   Like         Discuss         Correct / Improve     memory leak     Asked in 1 Companies



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