formatter class in java

this connection is called a socket.Establish a network communication connection with at least a pair of port numbers (sockets). Socket is the nature of the programming Interface (API), TCP/IP encapsulation, TCP/IP also to provide the interface for programmers to do network development, this is the socket programming interface; HTTP is a sedan that provides a specific form of encapsulation or display data; the socket is the engine, Provides the ability to communicate on the network.in

When we are dealing with very large data, the usual data types are not enough to indicate that in Java there are two classes BigInteger and BigDecimal representing the large integer class and the large floating-point number class, the two classes in theory as long as the computer memory is large enough Can represent a large number of wireless. They are all in the

Interfaces can inherit Interfaces. Abstract classes can implement (implements) interfaces, and abstract classes can inherit concrete Classes. There can be static main methods in an abstract class.Q: Does an abstract class inherit entity classes (concrete Class)A: An abstract class can inherit an entity class, but only

test of the string class and the StringBuffer classThe execution effect is not absolute, depending on the hardware configuration of each machine.The first is the performance of the String classAnd then the StringBuffer class.In one is the comparison between the StringBuilder and the StringBuffer classHow to say the StringBuilder class is a class that appears sta

All properties in the interface are public static final, and the methods are public. The access modifier must be either the public interface or the other interface, similar to the inheritance of the class, the keyword extendsHttp://www.cnblogs.com/dolphin0520/p/3811437.htmlDeep understanding of Java interfaces and abstract classesHttp://baike.baidu.com/view/2493204.htm interface-Oriented programmingAn inter

Also collects a good Java time format encyclopedia, this is made of the class Java.util. *; Import Java.text. * ; Import Java.util.Calendar; public class Vedate { /** * Get now time * * @return return Time type YYYY-MM-DD HH:MM:SS */ public static Date Getnowdate () { Date currenttime = new Date (); SimpleDateFormat formatt