The major difference between Enumeration and Iterator in java is that by using Enumeration, we can only traverse a Collection but by using Iterator, we can also remove an element while traversing the Collection.
5. Enumerator Other than Hashtable ,Vector is the only other class which uses bothEnumeration and Iterator.While ArrayList can only use Iterator for traversing an ArrayList . 6. Introduction in Java java.util.Vector class was there in java since the very first version of the java development k...
Both Generic and Non-Generic Collection can be used to store multiple elements in C#. What is the Difference Between Generic and Non-Generic Collection in C#? Generic vs Non-Generic Collection in C# Summary –Generic vsNon-GenericCollection in C# This article discussed the difference between Gener...
As per theVector javadocthe Enumeration returned by Vector is not fail-fast. On the other side the iterator and listIterator returned by ArrayList are fail-fast. 5)Who belongs to collection framework really?The vector was not the part of collection framework, it has been included in collections...
Returns a new collection difference with associations between individual elements that have been removed and inserted only once. funcinverse() ->CollectionDifference<ChangeElement> Enumerations enumChange A single change to a collection. Default Implementations ...
What is the difference between Exception and Error? Both errors and exceptions are unwanted occurrence during the execution of a program. However, they have key differences. Exceptions can be foreseen by the programmer, while an error is difficult to foresee. Exceptions can be checked or unchecked...
As per the Vectorjavadoc, the Enumeration returned by Vector is not fail-fast. On the other side the iterator and listIterator returned by ArrayList arefail-fast. Legacy?: The vector was not the part of collection framework, it has been included in collections later. It can be considered as...
jdk版本的区别(The difference between the JDK versions).doc,jdk版本的区别(The difference between the JDK versions) The difference between jdk1.4 and JDK1.5 and JDK1.6 The new features of jdk1.5: 1. generic 2 automatic packing / unpacking 3 for-each 4
Vector uses Enumeration as well as Iterator to traverse an array whereas, an ArrayList only uses iterator for traversing an array. Since ArrayList is Unsynchronized and many threads can operate on it at the same time its performance is better than Vector on which only one thread can operate at...
and StringstrLiteral="Java"; Both expressions give you a String object, but there is a subtle difference between them. When you create a String object using thenew()operator, it always creates a new object inheap memory. On the other hand, if you create an object using String literal syn...