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Pointer Examples (cont.)

• FORTRAN 90 Pointers
  • Can point to heap and non-heap variables
  • Implicit dereferencing
  • Special assignment operator for non-dereferenced references

• Java--only references
  • No pointer arithmetic
  • Can only point at objects (which are all on the heap)
  • No explicit deallocator (garbage collection is used)
  • Means there can be no dangling references
  • Dereferencing is always implicit