单元测试

public class Test{

 public static void main(String[] args){

Airplane a = new Airplane();

Bullet b = new Bullet(95,220);

boolean flag = a.hit(b);

System.out.println(flag);

}

}

for(){

 for(){

if (f instanceof Enemy){

Enemy e = (Enemy)f;

 score+=e.getScore();//玩家得分

}

if(f instanceof Award){

 Award a =(Award)f;

int type = a.getType();

switch(type){

 case Award.DOUBLE_FIRE;

hero.addDoubleFire();

break;

 case Award.LIFE;

hero.addLife();

break;

}

}

}

}

public int getLife(){

 return life;

}