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+11 votes

Which languages necessarily need heap allocation in the runtime environment?

  1. Those that support recursion.
  2. Those that use dynamic scoping.
  3. Those that allow dynamic data structure.
  4. Those that use global variables.
asked in Compiler Design by Veteran (106k points)
edited by | 1.5k views
same Q appeared in ISRO 2017 dec ..

2 Answers

+24 votes
Best answer
Those that allow dynamic data structure.

malloc etc uses memory from heap area.
answered by Boss (11.5k points)
edited by
Why not option A ,because during recursion the stack gets overflowed and hence we need memory from the heap for variables?
+4 votes


 Heap allocation is needed for dynamic data structures like tree, linked list, etc

answered by Active (4.5k points)

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