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Use of double pointer?
A double pointer has two basic meanings. One is ofa pointer to a pointer, where changing the value ofdouble pointer will result in the original pointer being changed. Another is that of a two-dimentional array, such as a matrix, or a list of char* (e.g. in main when you use argv).
What is link list and type of link list?
A linked list is a set of elements, usually structures, where each element contains a pointer or index to the "next" element, along with the data represented by the element.Often, the elements are allocated from the heap. Sometimes, a fixed number of elements is contained in an array. In the first case, pointers are used. In the second case, indices are used.Types of linked lists are ... In an array implementation, read pointer as index.Singly linked - there is a head pointer, and one next pointer per element. The last element's pointer is null. This type of list can be traversed in only one direction.Doubly linked - there is a head pointer, and each element contains two pointers, one to the previous element and one to the next element. This type of list can be traversed in two directions, making insertion and deletion a bit easier, at the cost of extra memory.Circularly linked - the same as Singly or Doubly linked, except that the last element's pointer points back to the first element's pointer. These types of lists are often used as queues.
How does two dimensional array differ from single dimensional array?
A one dimensional array is a scalar value repeated one or more times.A two dimensional array is an array of one dimensional arrays.A three dimensional array is an array of two dimensional arrays, and so forth.The one dimensional array is like a list of things, where the two dimensional array is like an array of things. (Think one row of a spreadsheet versus the whole spreadsheet.)[addendum]Every level of array depth is also a level of pointer depth. For example: A 3 dimensional int array is an int***. So a one dimensional int array is an int*, and a two dimensional int array is an int**. This is only important if you are doing pointer work, but it can become very important.
How the pointer used in the linked list?
The pointer in linked list is used for traversing through the elements of the linked list. In a singly linked list, only a next pointer exits. So this pointer can be used for traversing only in one direction in the list. In case of a doubly linked list, a next and previous pointer exits. These pointers are used for traversing in both direction in the list.
C plus plus array-based lists?
If you mean an array where each element is a list, then the STL is your friend. To create an array of lists of any type T, use the following declaration: std::vector<std::list<T>> my_array_of_lists;
JVM is platform independent dependent why 2 which one is faster in execution Array List or Array why?
If im sending the answer if correct means u can accept otherwise any comments reply me. My mail is is murugadoit@gmail.com i know the answer is JVM is platform dependent, but Java is platform independent. Array is faster execution then ArrayList. Array is similar to pointer. You can store the values in index based. So you can easily store the data and also rectify the datas. So Array is faster then ArrayList but both are working datastructure in internally.
Can Array-based lists can never be empty?
It's either an array or it's a list, it cannot be both. However, an empty array is entirely possible: std::vector<int> my_vector; // an empty array my_vector.push_back(42); // an array of 1 element my_vector.push_back(1); // an array of 2 elements my_vector.clear(); // an empty array An empty list is also possible: std::list<int> my_list; // an empty list my_list.push_back(42); // a list of 1 element my_list.push_back(1); // a list of 2 elements my_list.clear(); // an empty list The same thing can be done in C: int* my_array = nullptr; // an empty array my_array = malloc (2*sizeof(int)); // an array of 2 elements my_array[0] = 42; my_array[1] = 1; free my_array; // an empty array my_array = 0;
How do you start array list from 1?
Array indices are zero-based because the first element is at offset zero from the start of the array. There is no such thing as a one-based array in C. Some other languages do allow you to specify the base of an array, but converting a non-zero-based index to a zero-based index adds a runtime overhead to the implementation.
What is the difference between arrays and linked list?
An array is a list of objects.A linked list is made up of nodes each containing a value then the pointer to the next node.Linked list exampleNode 1:dog,continued in node 4Node 2:undefinedNode 3:mouse,end of listNode 4:cat,continued in node 3Array example:dog,cat,mouse,pony,horse
Comparison between array and dynamic implementation of linked list?
I assume you are referring to implementation of Abstract Data Types like Stacks and Queues. Arrays have capacity limits which you set upon declaring them. If you have date which has a definite size, then using arrays is okay. But if you have data which size changes at runtime, then just use linked lists because linked lists could constantly add nodes whenever needed. arrays need continuous memory allocation for their creation but in linked list the memory allocation need not be continuous....
What pointer type will you use to implement a heterogeneous linked list in c?
void pointer
What is array literal in as2?
An array literal is a comma-separated list of the elements of an array. An array literal can be used for initializing the elements of an array.
