public void nuke()
    {
        if (getWorld().getObjects(Bacteria.class) != null)
        {
     getWorld().removeObjects(getWorld().getObjects(Bacteria.class));
    }
    }

import greenfoot.*;  // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)

/**
 * Write a description of class Bullet here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class Bullet extends Mover
{
    /**
     * Act - do whatever the Bullet wants to do. This method is called whenever
     * the 'Act' or 'Run' button gets pressed in the environment.
     */
    public static double enemieskilled;
    public static int b;
    int c;
    public void act() 
    {
        move (10.0);
        if (isTouching(Bacteria.class))
        {
            //getWorld().addObject(new Explosion(), getX(), getY());
         removeTouching (Bacteria.class);  
         getWorld().removeObject(this);
         enemieskilled++;
        }
        else if (isTouching(Virus.class))
        {
            //getWorld().addObject(new Explosion(), getX(), getY());
         removeTouching (Virus.class);  
         getWorld().removeObject(this);
         enemieskilled++;
         if(Greenfoot.getRandomNumber(100) < 100)
         {
             c = Greenfoot.getRandomNumber(2);
             switch(c)
             {
                 case 0:
                 nuke();
                 break;
                 case 1:
                 Player.fasterShooting();
                 break;
                }
            }
        }
        else if (isAtEdge()) 
        {
         getWorld().removeObject(this);
    }
    }   
    public void nuke()
    {
    if (getWorld() != null)
        {
     getWorld().removeObjects(getWorld().getObjects(Bacteria.class));
    }
    }
    public void nukeScreen()
    {
        
    }
    
}