关于Head First Java 上的习题不是很理解
public class Puzzle4{
public static void main(String[]args){
Puzzle4b[] obs =new Puzzle4b[6];
int y = 1;
int x = 0;
int result = 0;
while(x<6){
obs[x]= new Puzzle4b();
obs[x].ivar=y
y=y*10;
x=x+1;
}
x = 6;
while(x>0){
x=x-1;
result = result +ivay
}
System.out.println("result "+ result);
}
}
class ivar{
int ivar;
public int doStuff(int factor){ //这个int doStuff(int factor)是什么意思,int的值取在那里?
if (ivar>100){
return ivar*factor
}
else{
return ivar*(5-factor);
}
}
}