Java
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Java – unable to generate classes from JAXB in Maven environment
I used the xjc plug-in in the Maven environment and tried to generate classes from schema [ERROR] null[5,30] org.xml.s…… -
Java – read properties file
I created a rest web service, where I created a config The properties file is used to store and retrieve some user nam…… -
Java 8 upgrade leads to compiler errors and inherited static enumerations
We are upgrading the Java 6 project to Java 8 Recompiling using java 8 will be in Java awt. An error occurred in the f…… -
Java – use comparisonchain for object equal()\u0026\u0026 Objects. Equal ()… What are the benefits of guava
I just started using Google's guava collection (comparisonchain and objects) In my POJO, I was waiting for the equals …… -
How do you incorporate the main features of Java into your design?
You can actually skip this first part because it's confusing, but I'll keep it here because I want to know if others f…… -
Can I hide or reduce access to “inherited methods” in Java?
I have a class structure. I want some methods in the base class to be accessible from classes derived directly from th…… -
Java – how do I add EJB functionality to an eclipse dynamic web project?
I am using EJB 3.0 to develop a simple application, using openejb for deployment and eclipse as ide development I crea…… -
java – PostgreSQL：BYTEA vs OID Large Object？
I started using hibernate 3.2 and PostgreSQL 8.4 applications I have some byte [] fields mapped to @ basic (= PG bytea…… -
Java – definition of class level annotation is the class loader always the parent of the class’s startup class loader?
The assumptions are as follows: @SomeAnnotation public interface Foo { } I want to know whether the definition class l…… -
Java – remove URL prefix (http: /, WWW, etc.) from string [closed]
I need to remove various "web beginnings" from my string My textview must not have "http: / /", "http: / / www.", "www…… -
Java: simple soap client
I am looking for a soap client for Java Apache axis looks blo swollen to me I don't understand why Java has to be so c…… -
The best way to do raw socket programming involving Java
I have some existing C code. I use ICMP raw socket for Ping. I need to use this code in Java because Java does not sup…… -
Java – how to set each character to a different color / background color in jtextpane?
I have been looking for this period of time. So far, what I have been able to think of is how to create a style and ap…… -
Java – Scala is equivalent to the new HashSet (Collection)
What is the equivalent Scala constructor (to create immutable hashsets) to Java new HashSet<T>(c) Where C is col…… -
Use Java (JSON) to read the values of nested keys in JSON
I am a new Java programmer with Python background I have weather data being collected / returned in JSON, which contai…… -
What’s the difference between Java – jolokia & jmxtrans? When to choose one?
I am looking for a JMX query tool I met jolokia & jmxtrans, both of which support JSON - based queries Jmxtrans ha…… -
Java, setting ID for JButton
Set the ID for JButton anyway. I'm used to Android I am looking for the following: newButton.setId(objectcounter); Sol…… -
Java – synchronize on values, not objects
I want to do this in Java public void giveMoney(String userId,int money) { synchronized (userId) { Profil…… -
In computing Java util. Description of constants used when hashcode value of hash
Someone can explain the meaning of these constants, why choose them? static int hash(int h) { // This function…… -
Java – how to programmatically register JSF managed beans?
I want to programmatically register / add the managed bean class to the application scope (from servlet init()) Soluti…… -
Java – findviewbyid() returns that the symbol cannot be found, but is the ID defined in the layout?
I'm learning some Android application development myself. I'm focusing on a video tutorial on how to create a simple t…… -
Java – dependency injection is condition based
I'm using Google Guice for dependency injection Suppose I have the following points: public interface Payment { pu…… -
Java – explicit zeroing
Under what circumstances, Java is explicit and nulling is useful Does it help the garbage collector in any way by maki…… -
Java – embedded terminal and normal shutdown
I've dug into the jetty documentation and tried to figure out how to properly configure the embedded jetty to close gr…… -
Languages supported by Java scriptengine
Java has a scriptengine system that allows you to run / evaluate statements in different languages Solution ECMAScript…… -
Java – how do I clear strings?
In the program I am writing, the text field must display some text at some time output.setText( outputString ); output…… -
Java – how do I click on a hidden element in selenium webdriver?
I have a grid showing some records When I click on a record and check the element, it shows that it is hidden, but it …… -
. Net – send messages from server-side applications to clients?
I have a JavaScript - based client that is currently polling for new content Net web services Although polling works..…… -
String to binary output in Java
I want to get binary (011001..) from a string, But I get [b @ addbf1, there must be a simple conversion, but I can't s…… -
Java – use JetBrains ides to find text in the decompiled jar file
I like JetBrains IntelliJ (if you like). My project is built with gradle of my company namespace and some external Jav…… -
Java – whether custom objects are passed by value or by reference in fragments and activities
Hello, Java and Android experts I have a problem. I have a room_ Class of structure, which implements serializable Thi…… -
How to read a file into a Java bitmap?
I know how to read bitmap files into a byte array So how to convert a byte array to a Java bitmap? Solution If you alr……