Java

Recently saw a netizen of a small problem, about the string segmentation, think about, and then give the code, and encountered a Java string to determine the end of the problem, and c\c++ with "" "to determine the end of the string is different,

Recently HANLP wanted to support pinyin and traditional features, so I learned a few open source Java implementations, optimized for integration. Stuxuhai/jpinyin principle This is the most one of the stars on GitHub, the main principle is to use a

out.println () output to the client. In Out.println (), out is an instance of response, which flows output as an object response, and outputs the content toclient. If you use SYSTEM.OUT.PRINTLN () in a JSP page, only one space is printed on the

A. Features: ① Singleton class can have only one instance ② Singleton classes must create their own unique instances themselves ③ Singleton class must provide this instance to all other objects Two. Implementation method: ① a hungry man type public

· JdkHistory1995 the birth of the Java language1996 JDK1.0 Released1997 JDK1.1 released1998 JDK1.2 Release (JAVA2), jfc/swing technology release1999 Java was split into J2SE, EE, and J2me,jsp/servlet technology.JDK1.3 released, JDK1.4 released2001 j2

A. Static code block ① Features: As the class is loaded and executed only once, no matter how many times the object instance is created, the static block of code in this class is only executed once when the class instance is first created or when

1.super is a reference to the immediate parent class object. You can access the methods or properties covered by the quilt class in the parent class through Super.* General Method:#没有顺序限制. can be called casually.* In constructors:#任何类中的构造函数中, if the

Using Maven to generate a Java Project or Web project, mavengenerate I often to generate a Java project or Web project with Eclipse tool. well, I have no idea when I want to generate a Java project or Web project with the command window in the

JW Player: Fast Forward prohibited and fast forward prohibited I wrote a technical blog for the first time. If you do not write well, please give me some advice. Recently, I was working on an online learning system with a video course function. To

Table skip implementationI recently read the jump table and the article "Skip tables ". Bytes. Although I think it should be a memory problem, I cannot find it for a long time ~~~~ Please be sure to inform me of the error. Later, I only followed the

String in the switch statement of Java 7 syntax sugar Constants in the switch statement added in JDK 7 can be of the string type, For example: @ Testpublic void test_1 () {String string = "hello"; switch (string) {case "hello": System. out.

Java runtime Data Storage Mechanism     When a Java program is running, it needs to allocate memory for a series of values or objects. Where are these values? What kind of data structure is used for storage? What are the characteristics of these

An interesting problem encountered in Java multithreading Learning Today, I casually wrote a program for mutual thread scheduling. The Code is as follows: class First extends Thread{public First(){start();}synchronized public void run(){try{wait();}

Exchanger usage in java threads Sometimes we need to pair the elements and synchronize the exchange threads, and use the exchange method to return the objects of our partners. In this case, we need to use the Exchanger class in the Thread class, I

Class version problems in Java serialization Mechanism   Introduction Some java classes that implement the serializable interface will see a static field named serialVersionUID. This article will fundamentally explain the meaning of

Java learning path-RMI LearningJava Remote Method Invocation (RMI) is an application programming interface used in Java programming language to implement Remote process Invocation. It allows programs running on the client to call objects on the

Unity3d uses json to communicate with the java Server Unity3d json can be used with LitJson Download LitJson and copy it to the Unity3d working directory. So we can implement Send the following request to the server and parse it System.

Java intercepts string functions. java intercepts strings. Substring Public String substring (int beginIndex) returns a new String, which is a substring of this String. The substring starts with a character at the specified index until the end of

Java journey (iii) --- JSTL and EL expressionsZookeeper Let's take a look at the JSP code to see how it feels? usELList = pageModel.getList(); for (ItELator itEL=usELList.itELator(); itEL.hasNext();) { UsEL usEL = itEL.

String calls the Array-related method-a bit oddIn the previous articles of the series, we talked about how to use the apply, call, and other methods to operate on another Object on an Object. Today we will learn how to call the Array-related methods