Has more elements method?

hasMoreElements() method of Enumeration used to tests if this enumeration contains more elements. If enumeration contains more element then it will return true else false.

What is Java Util enumeration?

util. Enumeration interface is one of the predefined interfaces, whose object is used for retrieving the data from collections framework variable( like Stack, Vector, HashTable etc.) The Enumeration Interface defines the functions by which we can enumerate the elements in a collection of elements. …

What is enumeration in vector in Java?

The enumeration() method returns the enumeration object over the specified Collection and here the specified collection is a Vector. Hereafter getting the enumeration object over a Vector, we will use the hasMoreElements() and nextElement() methods to enumerate through a Vector.

What is enumeration in Java collections with example?

The Enumeration interface defines the methods by which you can enumerate (obtain one at a time) the elements in a collection of objects. This legacy interface has been superceded by Iterator. Although not deprecated, Enumeration is considered obsolete for new code.

What is iterator in Java?

In Java, an Iterator is one of the Java cursors. Java Iterator is an interface that is practiced in order to iterate over a collection of Java object components entirety one by one. The Java Iterator is also known as the universal cursor of Java as it is appropriate for all the classes of the Collection framework.

What is difference between iterator and enumeration in Java?

Iterator can do modifications (e.g using remove() method it removes the element from the Collection during traversal). Enumeration interface acts as a read only interface, one can not do any modifications to Collection while traversing the elements of the Collection.

Why enum is used in Java?

Enums are used when we know all possible values at compile time, such as choices on a menu, rounding modes, command line flags, etc. It is not necessary that the set of constants in an enum type stay fixed for all time. In Java (from 1.5), enums are represented using enum data type.

What are cursors in Java?

A Cursor is a subclass of Object class and it can be defined as point or indicator on the screen. A Cursor is used to select the input from the system that the user operates with the mouse.

Is iterator a class?

Iterator is an interface. It is not a class. It is used to iterate through each and every element in a list.

Why Enumeration is used in Java?