Java 归档 - Page 317 of 655

Java – how to get the ID of automatic increment when I insert a record in the table through JDBC template

private void insertIntoMyTable (Myclass m) { private void insertIntoMyTable (Myclass m) { String query = "INSERT I……

Java

2020-02-13

Java – why not create a JDBC connection pool?

I'm developing a simple Java EE application with ear files containing jar and war files In the ear project under earco……

Java

2020-02-13

Java – how does Lombok generate code to an existing class?

I can use annotation processor to generate classes from scratch, but I can't modify Lombok - like classes I searched t……

Java

2020-02-13

Java – association between: webapplicationcontext of springioccontainer | ApplicationContext |

background After reading 1 2 3 4 5 6 links, I come to the following conclusions – As spring, MVC is designed in a stan……

Java

2020-02-13

Java – there is a “global” Ctrl (skip to error) shortcut in eclipse?

Ctrl. Brought me an error in the file But if my error view gives me more errors, is there a shortcut to open the next ……

Java

2020-02-13

How to find the maximum value of a given element in a HashMap using java 8 streams

I have a product HashMap Every product has a price I know how to find the product with the highest price But using jav……

Java

2020-02-13

Java – how to merge wars into one?

In our company, we have several different modules built as separate wars Can I automate this process? For example, it ……

Java

2020-02-13

Java – Maven exec plug-in classnotfoundexception

I am using the Maven exec plug-in to run a Java application from the command line. The command is MVN exec: Java I'm a……

Java

2020-02-13

Java – why call close() on resultset and connection instances?

When I no longer need to use instances of resultset and connection in my program, why call on these two methods What a……

Java

2020-02-13

Bring JPanel in front of other objects (swing) in Java

I want to load when the app process is running, so I use JPanel on JTree But when the user clicks JPanel, JTree will s……

Java

2020-02-13

Java – use okhttp to get HTTP status code

I'm using okhttp to get some website content However, I can't get the HTTP status code from the response My java code:……

Java

2020-02-13

Java – how to get the selected row index in JSF datatable?

I'm at index There is a database on XHTML <h:dataTable style="border: solid 2px black;" value="#{IndexBean.book……

Java

2020-02-13

Fast port forwarding in Java

I built a simple application to open the server socket. When connecting, it connects itself to another server socket o……

Java

2020-02-13

Java – parsing JSON objects and JSON arrays using gson

I have a JSON that is a single object or an array of the same object Is there any way to parse this data using gson, w……

Java

2020-02-13

Java – Convert byte [] to ArrayList

I have a byte [], which I get using object ArrayList Can someone tell me how to convert my byte [] to object ArrayList……

Java

2020-02-13

Java – how to attach to AES encrypted files

I'm writing some recorders that generate encrypted log files Unfortunately, cryptography is not my strong point Now I ……

Java

2020-02-13

Compiling java files programmatically

I know this has been asked a lot, but I still don't have a good solution. I still don't understand some parts So I nee……

Java

2020-02-13

Java – multiple clamps in one body or multiple bodies?

Suppose I want to create 1000 or even 5000 static body lines on the screen What I want to know is the difference betwe……

Java

2020-02-13

Email – does JavaMail support server push?

Does JavaMail support push notification of new e-mail through the server? If so, where is the document? If not, is the……

Java

2020-02-13

Java – spring security MVC: same @ requestmapping, different @ secured

Suppose we have an API endpoint configured using spring MVC and spring security We want to be able to handle @ request……

Java

2020-02-13

Java – use getspectrum() in libgdx Library

I know the first thing you do is "look in the document". The problem is that the document is not clear I use the libra……

Java

2020-02-13

Java – how to debug spring AOP

I have a problem with spring AOP, which does not involve all methods (in my opinion) (see this problem for more about ……

Java

2020-02-13

Java code for generating reports using birt

I have some data in XML, which contains few records, and I have created an RPT file Now, how can I call birt to genera……

Java

2020-02-13

You need a visual Java library that supports automatic layout

I need a java graphics library for visualization that I can add to my own applications I find JGraph very suitable for……

Java

2020-02-13

Java – hibernate spatial index annotation

I use JTS geometry objects to store my geometry objects as Oracle SDO_ Geometry. However, when I want to use SDO_ GEOM……

Java

2020-02-13

SBT scaladoc configuration

I'm trying to configure scaladoc in SBT, especially the title, output directory and classpath I managed to pass in bui……

Java

2020-02-13

Separate logic and GUI in Java

I am implementing a game in Java, using the classes shown below to control the game logic When I explain my problem, I……

Java

2020-02-13

Java – sharing under IP

How do I list all available shared folders under a specific IP address? Analog code: IP ip = new IP("10.0.0.9"); for(……

Java

2020-02-13

What is the equivalent of c# the access modifier in Java and scala?

I used to work in c# before, and now I spend a lot of time working in scala and Java This can be confusing because acc……

Java

2020-02-13

Java – how multithreading destroys the internal structure of HashMap

In Java 8, the really impatient Horstmann wrote: I can understand that unsynchronized concurrent access may destroy my……

Java

2020-02-13

Java – access request objects from custom JSP Tags

I tried to make a set of custom tags that encapsulate form elements (markup and validation) There is a way to easily r……

Java

2020-02-13

Can parent package classes be accessed from child package classes in Java?

Can I access from a Java sub package class? Please explain me any one? Example package a.a1 A2 contains class sub pack……

Java

2020-02-13

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Java – how to get the ID of automatic increment when I insert a record in the table through JDBC template

Java – why not create a JDBC connection pool?

Java – how does Lombok generate code to an existing class?

Java – association between: webapplicationcontext of springioccontainer | ApplicationContext |

Java – there is a “global” Ctrl (skip to error) shortcut in eclipse?

How to find the maximum value of a given element in a HashMap using java 8 streams

Java – how to merge wars into one?

Java – Maven exec plug-in classnotfoundexception

Java – why call close() on resultset and connection instances?

Bring JPanel in front of other objects (swing) in Java

Java – use okhttp to get HTTP status code

Java – how to get the selected row index in JSF datatable?

Fast port forwarding in Java

Java – parsing JSON objects and JSON arrays using gson

Java – Convert byte [] to ArrayList

Java – how to attach to AES encrypted files

Compiling java files programmatically

Java – multiple clamps in one body or multiple bodies?

Email – does JavaMail support server push?

Java – spring security MVC: same @ requestmapping, different @ secured

Java – use getspectrum() in libgdx Library

Java – how to debug spring AOP

Java code for generating reports using birt

You need a visual Java library that supports automatic layout

Java – hibernate spatial index annotation

SBT scaladoc configuration

Separate logic and GUI in Java

Java – sharing under IP

What is the equivalent of c# the access modifier in Java and scala?

Java – how multithreading destroys the internal structure of HashMap

Java – access request objects from custom JSP Tags

Can parent package classes be accessed from child package classes in Java?

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