问答题
阅读下列Java程序和程序说明,将应填入(n)处的字句写在对应栏内。
【说明】清点盒子。本程序当用户输入一个整数值时,一切正常;当输入其他数值时,程序就出错。现在已做了改进,请填空。
import java. text. NumberFormat;
Public class InventoryLoop
{
public static void main(String args[])
{
String numBoxesIn;
Int numBoxes;
Double boxPrice=3.25;
Boolean gotGoodInput=false;
NumberFormat currency=NumberFormat.(1);
do
{
System.out. print(“How many boxes do we have?”);
numBoxesIn=DummiesIO. (2);
try
{
numBoxes=Integer.parseInt((3));
system. out. print('The value is');
system.out. println(currency, format (numBoxes*boxPrice));
gotGoodInput=true;
catch((4))
{
System.out.println();
System.out. println(That's not a number.');
}
}while((5));//输入不正确时
System. out.println('That's that.');
}
}
A.25;
B.(1);
C.out.
D.parseInt((3));
E.out.
F.out.println();
G.out.
H.');
I.println('That's
J.');