Java

Packageutil;ImportJava.awt.Rectangle;ImportJava.awt.image.BufferedImage;ImportJava.io.File;ImportJava.io.FileInputStream;ImportJava.io.InputStream;ImportJava.util.Iterator;ImportJavax.imageio.ImageIO;ImportJavax.imageio.ImageReadParam;ImportJavax.ima

Java development often encountered garbled problems. Online to provide a variety of solutions to solve the problem, such as HTTP request the Chinese garbled problem, can be solved by Urlencoder and urldecode, although the problem solved, but not

1, first import the jar package in the project, I use the Mail-1.4.jar 2. Here is my code: public class Sendmailutil { private static final Logger Logger = Logger.getlogger (Sendmailutil.class); //define sender, recipient, subject, etc. private

The use of random numbers is sometimes encountered in software development (some codes are random numbers generated by random). Previously only know how to use, have never thought about the principle of random. A few days ago remember to go online

The Java Collection Framework supports the following two types of containers: One is to store an element collection, referred to as a collection (collection). The other is to store key/value pairs, called graphs (map). Collection

ImportJava.io.*;ImportJava.util.*;ImportJava.util.zip.ZipOutputStream;ImportJava.util.zip.ZipEntry;ImportJava.util.zip.ZipFile; Public classFilemgr { Publicfilemgr () {}/*** Compressed Files *@paramsrcfile file[] List of files that need to be

Two methods A URL to get the page source code geturlcontentstring, the other one from the source code to get the desired address fragments, which need to use regular expressions to match The process of getting the Web source

Java NIO (New I/O) three properties position, limit, capacityIn the buffer, the most important attributes are the following three, which work together to track changes in the internal state of the buffer: Capacity Position Limit

"Java.util.concurrent package source reading" series of articles have been finished. The beginning of a few articles are based on their own reading notes (at that time only read part of the source code), most of the latter is to read the source

Learn from:http://blog.csdn.net/maggiehexu/article/details/6387636Method One: Public String getpercent (int x,int total ) { = ""; The value of the accepted percentage double x_double = x*1.0; double tempresult = x/total; New DecimalFormat

WebService data reads normally with KSOAP2 calls, but always reports exceptions:java.io.EOFException at Libcore.io.Streams.readAsciiLine (Streams.java:203) at Libcore.net.http.HttpEngine.readResponseHeaders (Httpengine.java:560) at

HttpClient specific explanation-the first chapter;HttpClient specific explanation-chapter II;HttpClient specific explanation-Chapter III;HttpClient specific explanation-fourth chapter;HttpClient specific explanation-fifth chapter;HttpClient specific

The reason for the error is that eofexception indicates that the input process has unexpectedly reached the end of the file or the signal at the end of the stream, resulting in a failure to obtain data from the session. This is due to a number of

public static void Main (string[] args) {Runner1 r1 = new Runner1 ();Thread t = new thread (r1);T.start ();for (int i = 0; i System.out.println ("mainthread-->" +i);}}Runner1 Implementing the Runable interfaceClass Runner1 implements

Java-Android Learning (Day 5)Android layout picking + page Jump 1. Android layout picking In the past two days, we will supplement the interface layout (which may be supplemented in the future ):A) ScrollView ScrollView refers to the view that needs

How to obtain screen width, height, and Status Bar Height // Obtain the screen width public static int getScreenWidth (Context context) {WindowManager wm = (WindowManager) context. getSystemService (Context. WINDOW_SERVICE); DisplayMetrics

Integrate Hibernate3 with Spring Integrate Hibernate3 with Spring Like integrating Jdbc, Spring integrated Hibernate3 provides templates so that we only need to care about data table operations. when resources are closed and opened, and exceptions

Struts tag Library In JSP pages, using the tag library instead of the traditional Java code to implement the page display logic is the trend of the times. However, custom tags can easily lead to repeated and non-standard implementations, as a result,

Responsibility chain of design patterns Chain of Responsibility) So that multiple objects have the opportunity to process requests, so as to avoid coupling between request senders and recipients. Connect the object to a chain and pass the request

Head First-Explanation of policy ModeI. Summary: The Strategy mode is a previous design mode in both the big talk design mode and the Head First mode. It can be seen that it is relatively simple. Strategy is behavior-oriented, that is, it focuses