public static int getRandom(int iStart,int iEnd){
int result=iStart;
return result+=(int)(Math.random()*(iEnd-iStart));
//return iStart+(int)(Math.random()*(iEnd-iStart));
}
可以寫成
public static int getRandom(int iStart,int iEnd){
//int result=iStart;
//return result+=(int)(Math.random()*(iEnd-iStart));
return iStart+(int)(Math.random()*(iEnd-iStart));
}