Java 归档 - Page 60 of 655

Java – draw a line connecting two rectangles

I created my own class diagram application in swing / AWT, but I stopped this function: >I want to draw a line betw……

Java

2020-09-04

How to use Java applet to communicate with database safely

I have written web applications in PHP for a long time I always store my database connection information in configurat……

Java

2020-09-04

The Java command lastmodified() does not work in clojure

I tried to get the last modification time from the file in clojure by executing Java commands My code is: (Java. Io. F……

Java

2020-09-04

Java – when I publish the form to another page, the JSP form parameters disappear

If I delete the action attribute from my form, it will be sent back to the same JSP, and I can easily read the request……

Java

2020-09-04

Java – JDO: is persistence manager a singleton?

Just the basics: I use datanucleus to support embedded db4o databases If I do this simple test: PersistenceManager pm1……

Java

2020-09-04

Java – how can two Android applications share the same user ID?

I remember reading somewhere that you can let two Android applications share the same user ID, but I heard conflicting……

Java

2020-09-04

Java – can we use conditions in URL mapping of servlet filter

Can I use the not condition as the URL mapping value of servlet filter? Solution No, it's impossible You can add this ……

Java

2020-09-04

Dynamically set the maximum heap size of the java process

I have a java program started by a batch file, and its line is as follows: javaw -Xms64m -Xmx1024m com.acme.MyProgram ……

Java

2020-09-04

java – android spinner NullPointerException

Hey guys, I'm in trouble with a spinner that throws nullpointerexpression. Am I sure I missed something stupid? Thanks……

Java

2020-09-04

Java – string as document

I'm focusing on parsing XML using XPath. It gives the following example to open a document: DocumentBuilderFactory dom……

Java

2020-09-04

Java – Maven 2 compiles my tests, but does not run them

I have a simple Maven 2 project that contains tests written for TestNG When I say MVN test Maven 2 compiles my tests b……

Java

2020-09-04

Java file I / O throughput drops

I have a program in which each thread reads multiple lines from a file at once, processes lines, and writes lines to d……

Java

2020-09-04

Get superclass value in Java

I have two classes: public class A { int n = 10; public int getN() { return n; } ……

Java

2020-09-04

Java – put exceptions in your own sub package?

In the current package I'm working on for the project, I have about 13 different custom exceptions Is it a good idea t……

Java

2020-09-04

Multithreading – boost:: threads and template functions

I tried to run the template function on a separate thread, but IntelliSense (VC 2010 express) kept giving me an error:……

Java

2020-09-04

Replace all escape sequences with non escape equivalent strings in Java

I have a string like this: <![CDATA[<ClinicalDocument>rest of CCD here</ClinicalDocument&a……

Java

2020-09-04

Java method call parser?

I need to resolve some method calls, including the entire signature in some Java classes, for example: public class My……

Java

2020-09-04

How do I stop selenium server from ant task forked from ‘Java’ target?

I write an ant target, start selenium server, run my test code, and then... I want it to stop selenium How do I track ……

Java

2020-09-04

Java – Android – end activity within rendering thread

Good afternoon. I am not familiar with the activity life cycle in Android and read it as much as possible, but I can't……

Java

2020-09-04

Java – JPA – using annotations in the model

My application runs on JPA / Hibernate, spring and wicket I'm trying to convert our ORM from XML file to JPA annotatio……

Java

2020-09-04

Java: modifying system properties through runtime

I have a running jar file It is selenium RC server I want to be able to change the JVM httpproxy Host / port / etc sys……

Java

2020-09-04

Extensible, low overhead, high performance Java persistence framework

I look forward to building a website / application The class model has about 100 objects and is not particularly compl……

Java

2020-09-04

Which Java Web service framework do you prefer?

I'll implement web services in Java, but before I do, I'll decide which framework to use Simple and in JBoss 4.2 It is……

Java

2020-09-04

Java – Validation does not apply to entitymanager merge()

I rarely verify my entities, such as @ notnull, and some generations, such as @Id @GeneratedValue(strategy = AUTO) @Co……

Java

2020-09-04

Help Java hash mapping

Can someone explain what happened in the following code and how it ended with 36? thank you Edited by Amir rachum publ……

Java

2020-09-04

Java – why can’t I create restful web services in EJB modules?

I use NetBeans 6.8 I can see the option to create web services in my independent EJB module, but I can't seem to find ……

Java

2020-09-04

Sound format of game based on Java

I'm developing a java game that wants to bundle and play some sampled sound effects I'm going to use standard javax so……

Java

2020-09-04

Java – JUnit: Best Practices for developing test cases?

Technology: latest version of JUnit Some people use hard coded data in test cases, others use attribute files and some……

Java

2020-09-04

Java – language level threads

I'm reading about threads, and many books say that Java supports language level threads, and through Java util. The co……

Java

2020-09-04

Java – ide style program running

My goal I'm trying to create a java program that users can choose from any of their computers Class or Jar file Then m……

Java

2020-09-04

Java – is it a good idea to nest a class in an interface?

Is it possible to have an internal class inside the interface in Java??? Solution You can But that's what O'Reilly sai……

Java

2020-09-04

How to save map objects in Java to MySQL database

I have Java map (string and ints) objects and I want to save them to the database Solution You actually asked two diff……

Java

2020-09-04

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Java – draw a line connecting two rectangles

How to use Java applet to communicate with database safely

The Java command lastmodified() does not work in clojure

Java – when I publish the form to another page, the JSP form parameters disappear

Java – JDO: is persistence manager a singleton?

Java – how can two Android applications share the same user ID?

Java – can we use conditions in URL mapping of servlet filter

Dynamically set the maximum heap size of the java process

java – android spinner NullPointerException

Java – string as document

Java – Maven 2 compiles my tests, but does not run them

Java file I / O throughput drops

Get superclass value in Java

Java – put exceptions in your own sub package?

Multithreading – boost:: threads and template functions

Replace all escape sequences with non escape equivalent strings in Java

Java method call parser?

How do I stop selenium server from ant task forked from ‘Java’ target?

Java – Android – end activity within rendering thread

Java – JPA – using annotations in the model

Java: modifying system properties through runtime

Extensible, low overhead, high performance Java persistence framework

Which Java Web service framework do you prefer?

Java – Validation does not apply to entitymanager merge()

Help Java hash mapping

Java – why can’t I create restful web services in EJB modules?

Sound format of game based on Java

Java – JUnit: Best Practices for developing test cases?

Java – language level threads

Java – ide style program running

Java – is it a good idea to nest a class in an interface?

How to save map objects in Java to MySQL database

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