What is Pointer?

#1

What is Pointer ?
Why it is not included in Syllabus?

#2

@Harsh_Sonwani,

  • The term “pointer” is strongly associated with the C/C++ concept of pointers, which are variables which store memory addresses and can be modified arithmetically to point to arbitrary addresses.
    In Java, pointers only exist as an implementation detail for References. A copy of the reference is copied to the stack of a called function, pointing to the same object as the calling function and allowing you to manipulate that object. However you cannot change the object the calling function refers to.

  • Java doesn’t support pointer explicitly, But java uses pointer implicitly: Java use pointers for manipulations of references but these pointers are not available for outside use. Any operations implicitly done by the language are actually NOT visible.

#3

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