Java

http://blog.csdn.net/wangloveall/article/details/7992448/serialization and deserialization of JavaTags: javastringfiledatejdk network2012-09-18 16:48 41383 People read Comments (5) favorite reports Classification:Java Technology (+)Copyright

Collectionfirst, the concept of a collectionwritten Explanation: A collection is a simple object that contains more than one object, and the contained object is called an element. A collection can contain any number of objects, the quantity can vary,

ArrayList and LinkedList normal for loop traversalFor most Java programmer friends, it is possible to use the most commonly used list is ArrayList, for ArrayList traversal, generally use the following wording:void Main (string[] args) { list

Usually we are in Java memory object, is unable to do IO operation or network communication, because in the IO operation or network communication, people do not know what the memory object is a thing, so the object must be expressed in some way,

The meaning of multithreaded programming: The program task is divided into several parallel sub-tasks, especially in network programming, many functions are to be executed concurrently. This lesson will be explained in terms of thread concepts,

ObjectiveSpeaking of Java reporting tools, I have touched only finereport (sail soft) and jasperreports, both of which are used, the sail soft is charged and jasperreports is free, first of all, the first feeling of the soft powerful sail, support

Azure provides a very rich library of dependent libraries, development tools, and related plugins for Java developers, allowing you to manage and develop azure services through Java, first of which is how to quickly configure Java development tools,

Preface: Because I touch Java language time is relatively short, IDE tool Eclipse is also more familiar with the point, want to try IntelliJ idea to develop Java Web project to practice practiced hand!First, download the installation article1.

There is an HTML template under our D drive, and now all we have to do is parse the News.template file, extract the data from the database, add the data to the specified template location12{title}345"Center"Width=" the"Border="1">67"10%">

/*** Generate Excel and download*/ Public voidExportexcel () {File newFile=CreateNewFile (); //file NewFile = new file ("D:/ss.xls"); //new file to write data and download *****************************************************InputStream is =NULL;

Package practicego;/* 1. Known s=1x2x3x...xn, calculates the maximum value of n when S is not greater than 5000. */public class Cto {public static void main (string[] args) {int s = 1;for (int n=2;; n++) {s = s*n;if (s>5000) {System.ou T.println (n-1

Bubble sort of classic algorithms in Java (Bubble sort)Principle: compare two adjacent elements and exchange large value elements to the right end.Idea: Compare adjacent two numbers in turn, place decimals in front, and large numbers on the back.

the difference between a Java virtual machine and a Dalvik virtual machine:Java Virtual machineDalvik virtual MachinesJava virtual machines are stack -based. Stack-based machines must use instructions to load and manipulate data on the stack, with

Previously seen in Java often a bunch of corresponding set and get, simply know that the set is the value of a pass-through get.For example:Books.java1 PackageTest.testxml;2 3 Public classBooks {4 Private intID;5 PrivateString name;6

Recently wrote a, Excel write and export.   The demand is like this. In the new contract, there will be the export contract data, the exported template is fixed, you need to write the contract information in the template.First: Download templates >

Original: http://tutorials.jenkov.com/java-networking/udp-datagram-sockets.html UDP vs. TCP Sending Data via a datagramsocket Receiving Data via a datagramsocket Datagramsocket' s is Java's mechanism for network communication

Principle: Huffman code is based on the given weight as a leaf node, generate a Huffman tree, and then make the smallest weight.The first generation has given the weight of all the leaf nodes, and then take all nodes in the smallest and second small

Third, The life cycle of the ServletA Java servlet has a life cycle that defines how a servlet is loaded and initialized, how it receives a request and responds to the request, and how it is purged from the service. the life cycle of the Servlet is

JavaThe throws and throw in Java have been not understood. I have been looking into these two aspects recently, I can understand a little. If my opinion below is wrong, I wish to point out that I will improve it.      Throw: (Approach to object)

Java class and object 5, Java Class Object 5 Write a Java application, which includes two classes: Print class and main Class E. The output () function of a method in the Print class is to output 100 ~ All the daffodils between 999 (the cubes of