Java

Course Summary weekly Reading notes link summary First weekHttp://www.cnblogs.com/5317p/p/5248481.html Second weekHttp://www.cnblogs.com/5317p/p/5274057.html Third weekHttp://www.cnblogs.com/5317p/p/5299639.html Week

first knowledge of JavaThe Java file name extension must be. java;Java Cross-platform is a cross-operating system (after Java compilation is completed, A. class file is generated and can be run in the JVM.) The JVM is included in the JDK, only the

on the Java Practice report, overall is not difficult, for me the biggest difficulty lies in the use of the collection, which also shows my seventh chapter and even the overall use of Java is not good, the seventh chapter because of the lack of

Click to enter _ more _java thousand ask1. What is the difference between Socket and Socketchannel?Find out what the socket looks for here: what the socket isSocket, socketchannel both of the essence are the same, are to achieve client-server

Part I: Related download configuration1. Development environment Eclipse-jee-mars-2-win32-x86_64.zip Http://www.eclipse.org/downloads/index-packages.php2. Configuring Java JDK

1, the role of JPSJPS similar to the Linux PS command, the difference is that PS is used to display the process, and JPS only shows the Java process, is exactly the current user started part of the Java process information, including the process

What is a producer/consumer modelAn important model, based on the wait/notification mechanism. The producer/consumer model describes a buffer as a warehouse where producers can place products in warehouses where consumers can remove products from

When using Mybaitis to pass parameters, if only one parameter of type string is passed in, the XML file should use _parameter instead of the parameter name.The correct wording:[HTML]View Plain span style="FONT-SIZE:18PX;" > - Select id=

Cyclicbarrier is a synchronization helper class under the Java.util.concurrent package, similar to Countdownlatch, and is also a synchronization counter.The difference between Countdownlatch and the other is:The Countdownlatch await () method is

I've been working on some projects that involve time processing. Originally wrote a time conversion function, although can be used but too cumbersome and not standardized, so learned the next Java comes with the time processing class. Public

Q:Implement regular expression matching with support for ‘.‘ and ‘*‘ .entire input string (not partial). The function prototype should be:bool IsMatch (const char *s, const char *p) Some examples:ismatch ("AA", "a") →falseismatch ( "AA", "AA")

Serialization is a means of persisting objects. Widely used in the network transmission, RMI and other scenarios. This article introduces the related contents of Java serialization by analyzing the serialization of ArrayList. The following issues

Goalunderstand the difference between a process and a thread. Master The two implementations of Java threads and their differences. understand the operating state of the thread. Processes and ThreadsDOS system has a very obvious feature, only one

ProblemWhen I recently wandered around the CSDN forum, I saw a friend asking for some basic knowledge, and just recently I was learning the basics of Java, so I tried to summarize the problem with the array declaration from the memory point of view.@

ObjectiveBoolean operations are the great Boolean inventions of the algebra operations, only simple logic and or not, at first people did not find useless, and later on the impact of the computer is too large, from infrastructure to search engines

function functions (method)1. Function call: A function must be declared (defined) before it is called;① declaration: Must be written to the class (cannot write to main);② syntax: modifier return type function name (formal parameter list) {function

Click to enter _ more _java thousand ask1. What is a jar?The JAR (Java Archive) is a platform-independent file format. Can contain multiple files, several Java applets and their necessary components (. class files, pictures, sounds, and so on) can

Semaphore is typically used to limit the number of threads that can access certain resources (physical or logical), and we can set our own maximum traffic. It has two common methods, acquire () and release (), which are licensing and release

First, what is polymorphism? From what angle should we understand polymorphism? In fact, we might as well think of polymorphism into a variety of forms of things, such as cats and dogs can become animals, and animals can become cats and dogs.In

An explanation of how to manipulate text files using JavaAbstract: Initially Java does not support the processing of text files, in order to compensate for this shortcoming introduced the reader and writer two classesOriginally Java is not support