What is structure in C++

In C++, a structure (struct) is a user-defined data type that allows you to combine data items of different kinds. Structures are used to represent a record. Suppose you want to keep track of your books in a library. You might want to track the following attributes about each book: title, author, and ISBN. Let’s…

Java : Cursor : ListIterator

List-iterators are applicable for all the list interfaces. It allows to traverse in backward and forward directions both. Output : [A, B, C, D, E, F][Z, B, C, E, U, F]The previous value of F is situated at index 4The previous value of U is situated at index 3The previous value of E is situated…

Java : Cursor : Iterator

Iterators are used to traverse through the collection element. Its applicable for all collection classes. Example : Supported methods : .hasnext()-Checks if there is any element present in the collection. Return type is boolean ..next() -Returns the next element in the collection. Return type is object ..remove()- remove the element from the collection. Does not…

Java: Cursors: Enumeration

Cursors are used to travers through the elements one by one. enumeration is one type of cursor in Java. Its mainly used in case of legacy classes like Vector. Example: Methods used with enumeration are- hasMoreElements()nextElement()

Absolute xpath

An absolute XPath expression provides the complete path from the root of the document to the desired element. While absolute XPath expressions are less recommended than relative XPath expressions (as they are more prone to breaking when the structure of the page changes), you can construct an absolute XPath by listing all the elements from…