Java: Why main class does not extend Thread class

Java: Why main class does not extend Thread class

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Java: Why main class does not extend Thread class
Tag : java , By : Rit Li
Date : November 24 2020, 03:41 PM

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What is the main advantage of extending Thread class (or when to extend Thread instead of implement runnable)

Tag : java , By : Ted Leung
Date : March 29 2020, 07:55 AM
it should still fix some issue There is rarely a compelling reason to extend the Thread class. I would imagine that in most cases, you would end up just throwing all of your 'do some stuff' logic into the run method anyway.
You should definitely stick with implementing Runnable. By choosing to extend Thread, you are creating a class hierarchy that probably is nonsensical and will wind up restricting your options for refactoring things in the future. By choosing to implement Runnable, you make no demands of what the lineage of the implementer is, and you can use powerful abstractions like the ExecutorService to abstract away the nuts and bolts of running a chunk of code. Finally, preferring to implement an interface rather than extend a class is a good practice!

Java class that starts a new thread in main class

Tag : java , By : stan
Date : March 29 2020, 07:55 AM
wish help you to fix your issue I finally solved my issue, by hours of testing and trying.
This is what I did:
Thread mainThread;

public DreamStatsTracker(){
    mainThread = new Thread(() -> {
            for (SkillAndValue skillAndValue : Skills) {
                try {
                    SetValueForSkill(this.SessionId, skillAndValue.getSkill(), skillAndValue.getValue());
                    System.out.println("Added value: " + skillAndValue.getValue());
                } catch (Exception e) {
                    // TODO Auto-generated catch block
            try {
            } catch (Exception e) {
                // TODO Auto-generated catch block


public void AddSkillAndValue(Skill Skill, Callable<Integer> function) throws Exception{
    Skills.add(new SkillAndValue(Skill, function));

public void Start(){
    for (SkillAndValue skillAndValue : Skills) {
        AddSkill(this.SessionId, skillAndValue.getSkill(), this.Username);
public static void main(String[] args) throws Exception {

    DreamStatsTracker tracker = new DreamStatsTracker();

    tracker.StartNewSession("ae-13s-90-11", "Abe");

    tracker.AddSkillAndValue(Skill.HERBLORE, getRandomNumber());



private static Callable<Integer> getRandomNumber(){
    return new Callable<Integer>(){
        public Integer call(){
            Random random = new Random();
            return random.nextInt(10000);

Java - Extend a class that extend a Thread class

Tag : java , By : Longchao Dong
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further As you mentions, a class can only inherit (extend) from one other class But hierarchical structure of extending classes does exist.
For example, you could have a
public class Animal{

public class Mammal extends Animal{

public class Monkey extends Mammal{

In java every class extends Object.Then how it extend other class .Because one class can extend only single class

Tag : java , By : DicksGarage
Date : March 29 2020, 07:55 AM

interrupt main Thread from user thread using object class methods in java

Tag : java , By : Zinovate
Date : March 29 2020, 07:55 AM
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