Java 归档 - Page 490 of 655

Java – about statically preserving monomer mode

According to the situation of volatile / lazy singles, eager singles, normal singles and through enum, I have develope……

Java

2019-07-20

Update existing Excel files in Java Apache poi

I'm trying to write a java program that runs every day (using the task scheduler) and attaches a column to the Excel s……

Java

2019-07-20

Java – cannot prevent ant from generating compiler sun proprietary API warnings

I call javac from this ant script: <javac srcdir="src" destdir="build/classes" source="1.6" target="1.6" de……

Java

2019-07-20

Java – what is runtime binding?

I was browsing the Android development training document and came across: "Intent is an object that provides runtime b……

Java

2019-07-20

Java – missing soapaction header when using CXF

I have a WSDL file from an external WS and I am connecting to it I'm trying to use CXF (with Jax - WS) But I got error……

Java

2019-07-20

Ignore SSL authentication in Java

I must use an invalid SSL certificate to call the HTTP service hosted on the web server In dev, I use keytool to impor……

Java

2019-07-20

Java – jdesktoppane resizing

We have one application with two jframes and two jdesktopanes The problem we encounter is that after moving the intern……

Java

2019-07-20

Java – the broadcastreceiver did not receive the action of completing the download

I'm trying to capture download completion events, but my broadcastreceiver doesn't receive them This is the receiver: ……

Java

2019-07-19

Java: force two-way linked objects

I design a game engine in Java The core of this engine is that there are two types of assets and attributes, among whi……

Java

2019-07-19

Java – spring boot extends crudrepository

I'm at @ L_ 301_ 0 @ use hibernate in boot application I am creating a new crudrepository for all my model objects to ……

Java

2019-07-19

Conditionally remove Java methods at compile time

I'm trying to implement something like a c# preprocessor I know that Java does not have the same preprocessor function……

Java

2019-07-19

Java – cannot send a multipart / mixed request to pop up MVC based rest services

I have a spring MVC and resteasy rest service. I need to test it by sending multipart / mixed requests The service cod……

Java

2019-07-19

Java – how do I sign Mac OS X applications in Linux?

For OS X, I distribute Java applications to DMG Due to the release of mountain lion, the following error message will ……

Java

2019-07-19

Java – the difference between enumeration and enumeration

There is no difference between enumeration data types and enumeration interfaces I became confused between the two I g……

Java

2019-07-19

Java – how to call the functions of the main activities from a custom arrayadapter?

I've seen a lot of similar problems and don't seem to have any work I have a main class of such functions, edit, displ……

Java

2019-07-19

Java – how to represent the type parameters of general polymorphic static methods in jshell?

In pure Java, I can write class P { static <A> A id (A x) { return x; } static int y = P.<Integer>……

Java

2019-07-19

Java – too much parameter code in a factory constructor?

I have a factory class that currently has six parameters in its constructor. I just need to add another one Usually, i……

Java

2019-07-19

How to use java to detect the current display?

I have 2 monitors connected, so I can launch my java application on the primary or secondary monitor The question is: ……

Java

2019-07-19

Java – differences between JDBC

What is the main difference between spring JDBC and JDBC? Solution Let me look at a simple example of using JDBC: fina……

Java

2019-07-19

Java – simpledateformat parse (string STR) will not throw an exception when STR = 2011 / 12 / 12aaa?

Here is an example: public MyDate() throws ParseException { SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/d……

Java

2019-07-19

You can use Java util. Is logging configured to use compressed log files?

Can I configure Java util. Logging to compress the log file when it "scrolls" to a new log file? For example, an excer……

Java

2019-07-19

What is the difference between pointers and reference variables in Java?

My java book explains that to use objects, we can assign them to reference variables How is it different from a pointe……

Java

2019-07-19

Java – Eclipse JSP – no color, code completion and error detection

I tried to find a way to have color and code completion and error detection in JSP pages I have Eclipse Java EE IDE fo……

Java

2019-07-19

Java – how to use jruby9 1.2. Use GPG to encrypt files in 0?

I am using GPG to encrypt files and send them to my j Ruby project But I didn't find enough resources I've tried ruby ……

Java

2019-07-19

Java – good practice for editing objects by reference?

Suppose I have a type called superstar Now I want to have a method to do some work and edit some properties of a super……

Java

2019-07-19

Java – how to package and run a simple dependency command line application using Maven?

I'm new Java and maven, so it may be simple If I follow Maven 2 Hello world's instructions: http://maven.apache.org/gu……

Java

2019-07-19

Objectmapper serialization in Jackson

I want to serialize different types of lists by using an object mapper, but I don't know how AccountingService accServ……

Java

2019-07-19

Java – how do I get a new stateful session bean in a servlet thread?

I'm experimenting with EJB3 I want to inject a stateful session bean into a servlet so that every user accessing the s……

Java

2019-07-19

Java: how to resolve lambda parameters of wildcard types?

Then we have a functional interface: public interface Consumer<T> { void accept(T t); } I can use it: .han……

Java

2019-07-19

Java – how to access managed beans and session beans from servlets

See the English answer > get JSF managed bean by name in any servlet related Class6 <p:dataTable value="#{myBean……

Java

2019-07-19

Create a loop box using java

resolvent

Java

2019-07-19

Multithreading – why is the compareandswap instruction considered expensive?

Why is the compareandswap instruction considered expensive? I read a Book: "Memory impairment is expensive, like the e……

Java

2019-07-19

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Java – about statically preserving monomer mode

Update existing Excel files in Java Apache poi

Java – cannot prevent ant from generating compiler sun proprietary API warnings

Java – what is runtime binding?

Java – missing soapaction header when using CXF

Ignore SSL authentication in Java

Java – jdesktoppane resizing

Java – the broadcastreceiver did not receive the action of completing the download

Java: force two-way linked objects

Java – spring boot extends crudrepository

Conditionally remove Java methods at compile time

Java – cannot send a multipart / mixed request to pop up MVC based rest services

Java – how do I sign Mac OS X applications in Linux?

Java – the difference between enumeration and enumeration

Java – how to call the functions of the main activities from a custom arrayadapter?

Java – how to represent the type parameters of general polymorphic static methods in jshell?

Java – too much parameter code in a factory constructor?

How to use java to detect the current display?

Java – differences between JDBC

Java – simpledateformat parse (string STR) will not throw an exception when STR = 2011 / 12 / 12aaa?

You can use Java util. Is logging configured to use compressed log files?

What is the difference between pointers and reference variables in Java?

Java – Eclipse JSP – no color, code completion and error detection

Java – how to use jruby9 1.2. Use GPG to encrypt files in 0?

Java – good practice for editing objects by reference?

Java – how to package and run a simple dependency command line application using Maven?

Objectmapper serialization in Jackson

Java – how do I get a new stateful session bean in a servlet thread?

Java: how to resolve lambda parameters of wildcard types?

Java – how to access managed beans and session beans from servlets

Create a loop box using java

Multithreading – why is the compareandswap instruction considered expensive?

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