Java 归档 - Page 515 of 655

Java – completable future has been completed with exceptions

CompletableFuture. Completedfuture() returns the completedfuture that has been completed with the given value How do w……

Java

2019-07-01

Java – best used: action vs actionlistener?

Myself, I always use actionlistener as a swing event handler (such as button click), which is the most common listener……

Java

2019-07-01

Java statistics primitives, objects, methods, and heaps (memory management and best practices)

OK, so I've been developing Java for more than a year and I'm trying to understand the language and best practices So ……

Java

2019-07-01

Haskell style memory in Java

I know it's heresy, but I'm trying to take this example from http://www.haskell.org/haskellwiki/Memoization Translate ……

Java

2019-07-01

Java HTTP client uploads files through post

I am developing a J2ME client that must upload files to the servlet using HTTP Use Apache Commons fileUpload to overri……

Java

2019-07-01

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……

Java

2019-07-01

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

2019-07-01

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

2019-07-01

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

2019-07-01

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

2019-07-01

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

2019-07-01

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……

Java

2019-07-01

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

2019-07-01

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

2019-07-01

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……

Java

2019-07-01

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……

Java

2019-07-01

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

2019-07-01

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

2019-07-01

Java – synchronize on values, not objects

I want to do this in Java public void giveMoney(String userId,int money) { synchronized (userId) { Profil……

Java

2019-07-01

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

2019-07-01

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

2019-07-01

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

2019-07-01

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

2019-07-01

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

2019-07-01

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……

Java

2019-07-01

Languages supported by Java scriptengine

Java has a scriptengine system that allows you to run / evaluate statements in different languages Solution ECMAScript……

Java

2019-07-01

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

2019-07-01

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 ……

Java

2019-07-01

. 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..……

Java

2019-07-01

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

2019-07-01

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

2019-07-01

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……

Java

2019-07-01

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Java – completable future has been completed with exceptions

Java – best used: action vs actionlistener?

Java statistics primitives, objects, methods, and heaps (memory management and best practices)

Haskell style memory in Java

Java HTTP client uploads files through post

How do you incorporate the main features of Java into your design?

Can I hide or reduce access to “inherited methods” in Java?

Java – how do I add EJB functionality to an eclipse dynamic web project?

java – PostgreSQL：BYTEA vs OID Large Object？

Java – definition of class level annotation is the class loader always the parent of the class’s startup class loader?

Java – remove URL prefix (http: /, WWW, etc.) from string [closed]

Java: simple soap client

The best way to do raw socket programming involving Java

Java – how to set each character to a different color / background color in jtextpane?

Java – Scala is equivalent to the new HashSet (Collection)

Use Java (JSON) to read the values of nested keys in JSON

What’s the difference between Java – jolokia & jmxtrans? When to choose one?

Java, setting ID for JButton

Java – synchronize on values, not objects

In computing Java util. Description of constants used when hashcode value of hash

Java – how to programmatically register JSF managed beans?

Java – findviewbyid() returns that the symbol cannot be found, but is the ID defined in the layout?

Java – dependency injection is condition based

Java – explicit zeroing

Java – embedded terminal and normal shutdown

Languages supported by Java scriptengine

Java – how do I clear strings?

Java – how do I click on a hidden element in selenium webdriver?

. Net – send messages from server-side applications to clients?

String to binary output in Java

Java – use JetBrains ides to find text in the decompiled jar file

Java – whether custom objects are passed by value or by reference in fragments and activities

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