Java 归档 - Page 514 of 655

Java – method parameter validation using jsr-303

Is jsr-303 also used for method parameter validation? If so, are there any examples online? The biggest challenge I fa……

Java

2019-07-02

Java – what does it mean to use proxies (dynamic proxies) in the spring framework?

I don't know what it means to use an agent in spring What is efficiency? Solution Dynamic proxy is a feature of JDK Yo……

Java

2019-07-02

Implement my own remote desktop in Java

I tried to implement my own remote desktop solution in Java Using sockets and TCP / UDP So in order to move the mouse ……

Java

2019-07-02

Java – get existing MapReduce jobs from the cluster (jobs can be run or completed)

Previously, I was using org apache. hadoop. mapred. Jobclient#getjob (org. Apache. Hadoop. Mapred. Jobid) get runningj……

Java

2019-07-02

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 – chaotic example of constructor overloading

The following program output is I am Parameterized Ctor a = 0 b = 0 public class ParameterizedCtor { private in……

Java

2019-07-01

Java – statelistdrawable to switch color filters

I want to create a custom button for tabhost I've been trying to use the same image resource (PNG), but the color filt……

Java

2019-07-01

java – Arrays. Does copyof generate a shallow or deep copy?

About arrays There seems to be a lot of confusion and different opinions on whether copyof will produce deep and shall……

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

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 – 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

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

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 – 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

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 – 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

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, 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

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 – 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

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Java – method parameter validation using jsr-303

Java – what does it mean to use proxies (dynamic proxies) in the spring framework?

Implement my own remote desktop in Java

Java – get existing MapReduce jobs from the cluster (jobs can be run or completed)

Java – completable future has been completed with exceptions

Java – chaotic example of constructor overloading

Java – statelistdrawable to switch color filters

java – Arrays. Does copyof generate a shallow or deep copy?

Java HTTP client uploads files through post

Java – best used: action vs actionlistener?

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

Haskell style memory in Java

java – PostgreSQL：BYTEA vs OID Large Object？

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?

The best way to do raw socket programming involving Java

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

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

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

Java – how to programmatically register JSF managed beans?

Java, setting ID for JButton

Java – synchronize on values, not objects

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

Languages supported by Java scriptengine

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

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