Java
-
Any Oracle TNS inefficient (many round trips, latency) solution from Java applications?
I'm working on a very slow SQL query (from a Java application using hibernate deployed in JBoss 5.1) This particular q…… -
Java – check the time of the existing pendingintent in the AlarmManager
Can I query Android AlarmManager to see the time of the next alert for a given pendingintent? I know I can use it The …… -
Java EE – @ requestscoped CDI injection @ messagedriven bean
If I use JMS to inject request scoped CDI beans into the @ messagedriven EJB, as shown below, can I assume that any gi…… -
Print 1 to 100 using 10 threads in Java
I'm new to multithreading. I got a problem. I used 10 threads in Java to print 1 to 100 below the constraint >Threa…… -
How do I reference Maven dependent unit test classes in my java project?
I need to reference some JUnit tests (SRC / test / Java) in project B in the test package Src / test / Java of project…… -
When and where are strings initialized / stored in Java source code?
This is the source code I have public class Koray { public static void main(String [] args) { System.o…… -
Firebase “mapped during deserialization, but got class java. Util. ArrayList”
I just tried firebase.com for my project on Android The problem I get is that every time I take a snapshot and "throw"…… -
Java – convert persistenceexception to dataaccessexception in spring
I am trying to handle unique key constraint violations in spring JPA hibernate environment I use persistenceexception …… -
What is the meaning of event consumer in JavaFX?
I tried to understand event handling in JavaFX, where I found this line Can you explain the meaning of event consumpti…… -
Why is java used by most banks?
I noticed that most banks use java to run web applications on the server side Why? What makes Java better than PHP, ru…… -
Java – how to interpret the analysis results?
I used NetBeans and visualvm to run the memory profiler and received the results, but there was no clue how to analyze…… -
Java – NetBeans and external configuration files
I am developing a java desktop application and want to have an external configuration file Solution You can add it to …… -
Java – appengine gzip compression
I'm trying to gzip response from gae server, but I received null in content encoding I have the following code: connec…… -
java – Window,Document vs. $wnd,$doc
I know that the following is some of the same in GWT: Window and $wnd Document and $doc Is there any difference except…… -
Java – how to merge in jgit?
How do I merge in J git? Suppose I want to merge master with foo branch, what should I do? Solution To merge, you can …… -
JUnit ant task – JUnit task not found
I'm trying to build from my ant Run JUnit test from the. XML file I read here, you can use JUnit Jar file instead of u…… -
Java – rock material look and feel Download
Where can I download material L & F for swing? Solution Incredibly malicious Java Net transformation has discarded…… -
Java – setter method in constructor
Get a problem I have public class Student{ private String studentNumber; private String studentName; pr…… -
How to evaluate the next statement when null is returned in Java?
How do I execute the following JavaScript code in Java? var result = getA() || getB() || getC() || 'all of them were u…… -
Java noclassdeffound error
I'm trying to run a basic hibernate program I try Google 'ing it and include the following jar files in my classpath: …… -
Text navigation in Java – JDB does not work in bash
When I run JDB in Bash, the arrow keys generate strange garbage: up: ^[[A down: ^[[B left: ^[[D right: ^[[C So I can't…… -
Java – how do I use prepackaged and swing HTML text?
How do I use CSS white space properties Solution You can try to support CSS 2.1 https://code.google.com/p/flying-sauce…… -
Java – get the previous value of the object field hibernate JPA
Let's assume I have this course: @EntityListeners({MyListener.class}) class MyClass { String name; String surname;…… -
Java – how to detect that a new value has been added to the enumeration and is not processed in the switch
From time to time, I want to add a new value to the enumeration type of the project public enum Day { SUNDAY,MONDAY,…… -
Java – enumeration with getter
Can enumerations use vendors to store references to getter methods? Use this: String value = myEnum.getValue(object) I…… -
Enhanced for loop cannot assign values to arrays (Java)
See the English answer > why Java foreach doesn't change element value? 7 int[] array = new int[5]; for(int i =…… -
Java – how to escape a string to be passed to decimalformat
Can I know how to escape a string to decimal format? // currencySymbolPrefix can be any string. NumberFormat numberFor…… -
Java – why do we call acceptor Accept() instead of visitor Visit() to start visitor?
In Wikipedia sample and GOF books, the use of visitor mode is initiated by calling the accept method on a recipient Bu…… -
How do I reference a class type whose interface is implemented in Java?
I encountered an interface problem in a program I want to create an interface that has a method that receives / return…… -
Java – allows users to enter only positive integers (no decimals or strings)?
I know how to ask users to enter positive integers, but I don't know how to handle code to avoid input errors, such as…… -
Java – why can’t static and default interface methods be synchronized but can be strictfp?
See English answers > what is the reason why "synchronized" is not allowed in Java 8 interface methods? 1 People sa…… -
Advanced array sorting / rearranging in Java
So I have an array with the following theoretical values: int[] elements = {A1,A2,B1,B2,A3,A4,B3,B4,C1,C2,D1,D2,C3,C4,……