Executores Java
package pg01.c04;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
public class Main {
public static void main(String[] args) {
//ExecutorService executor = Executors.newFixedThreadPool(1); //Creates 1 thread in the pool for executting all
//ExecutorService executor = Executors.newFixedThreadPool(2); //Creates 2 threads in the pool for executting all
//ExecutorService executor = Executors.newFixedThreadPool(3); //Creates 3 threads in the pool for executting all
//ExecutorService executor = Executors.newSingleThreadExecutor(); //Cretaes 1 single thread for the execution
ExecutorService executor = Executors.newCachedThreadPool(); //Cretaes as many threads as it needs and reuses the ones created
//creates the logic threads but it doesn´t mean that its going to use 3 threads in the execution
Thread hilox = new Thread(new MyThread("X",100, 100));
Thread hiloO = new Thread(new MyThread("O",100, 100));
Thread hilo_ = new Thread(new MyThread("_",100, 100));
//Executes the threads
executor.execute(hilo_);
executor.execute(hiloO);
executor.execute(hilox);
// closes the threads because if not they will remain waiting although the execution finished
executor.shutdown();
}
}
public class MyThread implements Runnable{
private String s;
private int l;
private int r;
public MyThread (String s, int l,int r) {
this.s= s;
this.l= l;
this.r= r;
}
public void run() {
// TODO Auto-generated method stub
for(int i =0; i<r;i++) {
System.out.print(s);
for (int j=0;j<10000;j++) {
System.out.print("*");
}
try {
Thread.sleep(l);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
System.out.println();
}
}
Smoggy Sardine