Gregorian Calendar

Gregorian Calendar Gregorian Calendar is a concrete implementation of a Calendar that implements the normal Gregorian calendar with which you are familiar. The getInstance( ) method of 'Calendar returns a GregorianCalendar initialized with the current date and time...

Date Comparison

Date Comparison  There are three ways to compare two Date objects. First; you can use get Time( ) to obtain the number of milliseconds that have elapsed since midnight, January 1, 1970, for both objects and then compare these two values. Second, you can use the...

Bitsel

Bitsel A BitSel class creates a special type of array that holds bit values. This army can increase in size as needed. This makes it similar to a vector of bits. The BitSet constructors are shown here: BitSet() £bitSet(int size) The first version creates a default...

Trinitrotoluene

Trinitrotoluene The processing of text often consists of parsing a formatted input string. Pnrs Illg is the division of text into a set of discrete parts, or token», which in n certain sequence can COllVer a semantic meaning. The StringTokenizer class provides the...

java .util Part 2 More Utility Classes

java .util Part 2 More Utility Classes ThiS chapter continues our discussion of java.util by examining those classes and interfaces that are not part of the collections framework. These include classes that tokenize strings, work with dates, compute random numbers,...

Observable

Observable  The db~variable class is used to create sub classes that other parts of your program can observe. When an object of such a subclass undergoes a change, observing classes are ' notified. Observing classes must implement the Observer interface, which defines...