Using store( ) and load( )

java util Part 1 The Collections Framework

Using store( ) and load( ) One of the most useful aspects of Properties is that the information contained in a . Properties object can be easily stored to or loaded from disk with the store( ) and load( ) methods. At any time, you can write a Properties object to a...

Properties

java util Part 1 The Collections Framework

Properties Properties is a subclass of Hash table, It is used to maintain lists of values in which the key is a String and the value is also a String. TI,e Properties class is used by many , ' other Java classes. For example, it is the type of object returned...

Stack

java util Part 1 The Collections Framework

Stack Stack is a subclass of Vector that implements, a standard last-in, first-out stack. Stack only defines the default constructor, which creates an empty stack. Stack includes all the methods defined by Vector, and adds several of its own, shown in Table 15-11. To...

Enumeration interface

java util Part 1 The Collections Framework

Enumeration interface The output from this program is.shown here: Initial size: 0 Current capacity: 9 First element: 1 Last element: 2 Vector contains: 3 Elements in vector: With the release of Java 2, Vector adds support for iterators. Instead of relying o!” an...

Vector

java util Part 1 The Collections Framework

Vector Vector implements a dynamic array. It is to Array List, but with two differences: Vector is synchronized, and it contains many legacy methods that are not part of the collections frame work.With the release of Java 2,Vector wast engineered to extend Abstract...