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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,...
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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Openssl is not recognized as an internal or external command
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This is worked for me successfully.
"C:\Program Files\Java\jdk1.6.0_26\bin\keytool.exe" -exportcert -alias sociallisting -keystore "D:\keystore\SocialListing" | "C:\cygwin\bin\openssl.exe" sha1 -binary | "C:\cygwin\bin\openssl.exe" base64
Be careful with below path :
"C:\Prog...
Java Class that implements Map and keeps insertion order?
I'm looking for a class in java that has key-value association, but without using hashes. Here is what I'm currently doing:
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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...
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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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++) {
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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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How do I pass parameters to a jar file at the time of execution?
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To pass arguments to the jar:
java -jar myjar.jar one two
You can access them in the main() method of "Main-Class" (mentioned in the manifest.mf file of a JAR).
String one = args[0];
String two = args[1];
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