Experiment five Java network programming and security

Beijing Institute of Electronic TechnologyLab ReportCourse: Mobile Platform Application development Practice class: 201592 Name: Zeng Junhong No.: 20159210Score: ___________ Instructor: Lou Jia Peng Experimental Date: 2015.10.25Experiment Name: Java

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1 Packagecom.peidon.html;2 3 ImportJava.io.BufferedReader;4 ImportJava.io.File;5 ImportJava.io.FileOutputStream;6 Importjava.io.IOException;7 ImportJava.io.InputStream;8 ImportJava.io.InputStreamReader;9 Importjava.net.HttpURLConnection;Ten

Know java-4.4 this from the beginning

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Java Operation Zip compressed file encountered encoding problem

1, encountered the problem: in the For loop operation Zip file (the file name contains Chinese), the error is as follows: Exception in thread "main" Java.lang.IllegalArgumentException:MALFORMEDat java.util.zip.ZipCoder.toString ( zipcoder.java:58)

10 Debugging Tips A Java programmer should know

Before you begin, it is recommended that you take a look at the Eclipse shortcuts article, which will bring you a lot of convenience. The Eclipse Juno version (Eclipse 4.2) is used in this article to give you 3 tips before you start! Do not

Installation and environment configuration of Java development and execution Environment--JDK

This is in the blog Park wrote the first blog, has entered the blog park for some time, want to write down some of their own technical problems and solutions, of course, the main content is about programming aspects of the content, now is just

01.Java Programming Basics (i)--constants, variables, operators

I. Basic components of Java1. Keywords-words that are given special meanings???????????? Learn the process of Java to remember.2. Identifier---refers to the name (class name, object name, variable name, function name, object name, etc.)? ? ? ????????

"JAVA" io detailed

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Java Summary Phase II

Hello everyone, here I come again!! LA, I know you miss me very much, I want to quickly write more articles to improve their level, well, I am from you. Now come with me. Java Phase II, applause, applause!!!Chapter II:In this chapter, I'm going to

Java Learning Class 58th session-gui

GuiGraghical user Interface (GUI)Java provides GUI for objects that exist in java.awt and java.swing packagesJava's GUI does a really good job of just C + + and so on. Not going to waste too much time on this.A simple window Demopublic static void

Dark Horse programmer--01.java Programming Basics (i)--constants, variables, operators

I. Basic composition of Java 1. Keywords-words that are given special meanings???????????? Learn the process of Java to remember.2. Identifier---refers to the name (class name, object name, variable name, function name, object name, etc.)? ? ? ??????

Java Collection Collection Interface

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Java integer array Only one integer appears once, and the rest appears two times

Packagewrittenexamination;/** * @authorLindaz * @date October 22, 2015 * @todo find the number of occurrences only once in the array, and the remaining numbers appear two times*/ Public classOnce { Public Static voidMain (string[] args) {int[] Nums =

About the final keyword in Java

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Get back the contents of the browser--java cache usage

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Java list<item> its=new arraylist<item> (); Map is sorted by a field in value

Public list Getallitem () {Map itemdic = new Hashmap ();List> entrylist = new Arraylist> ( Itemdic.entryset ());if (Entrylist.size () >0) {List its=new arraylist ();Collections.sort (entrylist, New Comparator> () {public int Compare (Map.entry it1,

Understanding java-2.2 arithmetic operators from the beginning

This section to talk about arithmetic operators1. Automatic conversion of the result type.Package Com.ray.ch01;public class Test {public static void main (string[] args) {int a = 2, b = 3;int c = A/b;int D = b/ A System.out.println (c);

Dark Horse Programmer--java Object-oriented learning summary

------Java Training, Android training, iOS training,. NET training, look forward to communicating with you! -------Www.itheima.comFirst, object-oriented is an idea.There is a process-oriented idea, object-oriented is based on process-oriented.For

Java multithreading-New features-locks (top)

In Java5, the lock object is specially provided, and the lock can be used to control the concurrent access of competing resources, which is mainly concentrated under the Java.util.concurrent.locks package, which has three important interfaces

JAVA exception and Exception Handling Methods

JAVA exception and Exception Handling Methods Exception This is my teacher's preference: that is to say, I will show you a picture as soon as I come up -_- This is one: Exception classification chart   Come on, there is a common exception with

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