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|Interview Questions and Answers|
|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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|Does garbage collection guarantee that a program will not run out of memory?|
|Why Char array is preferred over String for storing password?|
|Describe, in general, how java's garbage collector works ?|
|Let's suppose we have an to destroy objects, Design a program to implement garbage collection ?|
|Should we override finalize method ?|
|What are strong, soft, weak and phantom references in Java ?|
|Can we call the garbage collector explicitly ?|
|What does String intern() method do?|
|Which type of memory is cleaned / recovered by garbage collection - stack or heap ?|
|Java doesn't provide exclusive access to memory like C/C++ and other lower level languages ? What are the advantanges and disadvantages ?|