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JUnit tests pass in Eclipse but fail in Maven Surefire
...ests -->
<excludes>
<exclude>**/IT*Test.java</exclude>
<exclude>**/integration/*Test.java</exclude>
</excludes>
</configuration>
<executions>
<execution>
<id>integration...
How do different retention policies affect my annotations?
Can anyone explain in a clear way the practical differences between the java.lang.annotation.RetentionPolicy constants SOURCE , CLASS , and RUNTIME ?
...
Why does this Java program terminate despite that apparently it shouldn't (and didn't)?
...d executing it:
currentPos = new Point(currentPos.x+1, currentPos.y+1);
Java makes no such guarantee (it'd be terrible for performance). Something more must be added if your programme needs a guaranteed ordering of the writes relative to reads in other threads. Others have suggested making the x,...
Handler vs AsyncTask vs Thread [closed]
... which a developer can use with the following disadvantage:
If you use Java threads you have to handle the following requirements
in your own code:
Synchronization with the main thread if you post back results to the user interface
No default for canceling the thread
No default thr...
WhatsApp API (java/python) [closed]
I am looking for WhatsApp API, preferably a Python or Java library.
5 Answers
5
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Java naming convention for static final variables [duplicate]
.... In my estimation, that is not justification to continue the tradition in Java.
Question of Intention
We should ask ourselves what is the function of static final in our own context. Here are three examples of how static final may be used in different contexts:
public class ChatMessage {
//U...
How to get thread id from a thread pool?
...rily start from 0 or 1.
Here is an example matching the question:
import java.util.concurrent.*;
class ThreadIdTest {
public static void main(String[] args) {
final int numThreads = 5;
ExecutorService exec = Executors.newFixedThreadPool(numThreads);
for (int i=0; i<10; i++) {
...
How to override equals method in Java
I am trying to override equals method in Java. I have a class People which basically has 2 data fields name and age . Now I want to override equals method so that I can check between 2 People objects.
...
What does this symbol mean in IntelliJ? (red circle on bottom-left corner of file name, with 'J' in
Under the target folder in IntelliJ for a Java project I created, I have a few java source files in the package. Beside each file the 'J' icon has a red circle with a line through it.
...
Eclipse compilation error: The hierarchy of the type 'Class name' is inconsistent
I have downloaded some open source software written in Java and tried to compile it using Eclipse.
I got the error: " The hierarchy of the type 'Class name' is inconsistent " in some files.
What causes these errors and how do I fix them?
...