Task.java

package taskExecutor;

import java.util.concurrent.TimeUnit;

public class Task implements Runnable {
    private String name;

    public Task(String name){
        this.name = name;
    }
    public String getName(){
        return name;
    }
    @Override
    public void run() {
        try{
            Long duration = (long)(Math.random()*10);
            System.out.println("Doing a task during : " + name);
            TimeUnit.SECONDS.sleep(duration);
        }catch (InterruptedException e){
            e.printStackTrace();
        }
    }
}