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the different pencil pointers are Albert Einstein. Archimedes and some other jinjurikis
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What is the difference between handles and pointers?
They exist in different contexts. Handles are like... well handles (or keys, tickets, references etc), to access objects (like files, sockets, resources) you have opened (created, allocated, etc); in the program they can be integers or pointers.
What is the minimum number of additional pointers will be needed to reverse a singly linked list?
3 pointers...
In C you use the concept of pointers whereas there are no pointers used in JAVA why?
Pointers in C are generally the thing that gives learners the most trouble. When C code is not written correctly with respect to pointer use, the resulting bugs can often be very difficult to find and correct. On the other hand, pointers are absolutely necessary in some cases.The designers of Java wanted to make programming easier and hence avoided adding pointers to the language. Java does have object references which accomplish much of what pointers accomplish albeit in a safer way.
Do other programming languages implement pointers?
All programming languages implement pointers, but not all languages allow low-level access to memory through a raw pointer. Java, for instance, uses resource handles and smart pointers rather than raw pointers, however the actual allocation of memory is handled by the Java virtual machine (JVM) so there is no need for low-level raw pointers.
What is Arrays of Pointers?
An array of pointers is a contiguous block of memory that contains pointers to other memory locations. They essentially allow non-contiguous memory locations to be treated as if they were an actual array.
