I have a class that extends the Thread class, wanted to know if each time I create an object it initializes a Thread.
class Objeto{
String nomeObjeto;
public Objeto(String nomeObjeto){
this.nomeObjeto = nomeObjeto;
}
public static void main(String[] args){
new Objeto().start();//Objeto 1
new Objeto().start();//Objeto 2
}
}
The most basic way to create a thread in Java is to create a new instance of the Thread class and call the start method. 'run' method of the instance will run on the other thread .
The 'run' method of the 'Thread' class does not execute anything, so in general we extend the class and override the method. Another alternative is to create a class that implements the 'Runnable' interface and pass an instance of that class into the constructor of the 'Thread' class.
Finally, when creating a Thread instance or a subclass you will potentially have a new thread , but will only execute when you give 'start ()' to it.
Each new instance you execute is a new thread and only one, since threads can not be reused, that is, executed more than once.
Your code is probably not complete because your Objeto class does not have a start() method.
If what is missing is extends Thread , then, yes, when you put this in, two threads will be created (one in each start() call). This can be verified in official documentation .
If what is missing is the definition of start() , this being any method you have created, then no, no threads will be created.