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How do the post increment (i++) and pre increment (++i) operators work in Java?
Can you explain to me the output of this Java code?
14 Answers
14
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How do you calculate log base 2 in Java for integers?
...values range exceeds long range ( float has much higher range than long in java)
– Naruto26
Aug 19 at 4:31
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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 ?
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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...
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...
WhatsApp API (java/python) [closed]
I am looking for WhatsApp API, preferably a Python or Java library.
5 Answers
5
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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.
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