请高手看一下这个简单程序.谢谢!!!!!!!!
请看注释.
import java.io.*;
class CBuy
{
char n=0;
char money=0,storage=0;
void print()
{
System.out.print("任意-------1,>=500---------2,<500---------3");
try{ n=(char)System.in.read();
System.in.skip(2);
System.out.print("过去付款情况y---好n-----不好");
money=(char)System.in.read();
System.in.skip(2);
System.out.print("库存情况y------够n-------不够 ");//为什么这里不能在键盘输入就执行下行了.?
storage=(char)System.in.read();
}catch(
IOException e){
System.err.toString();
}
if(n=='1')
{
if(money=='y')
if(storage=='y')
System.out.println("立即发货");
else System.out.println(" 款到后发货");
}
if(n=='2')
{
if(money=='n')
if(storage=='y')
System.out.println("须先付款");
else System.out.println("暂 推");
}
if(n=='3')
{
if(money=='n')
if(storage=='y')
System.out.println("立即发货");
else System.out.println("款到后发货");
}
}
}
public class Buy {
public static void main (String[] args) {
CBuy b=new CBuy();
b.print();
}
}
我想通过键盘输入得到库存是否够,但是没有输入就执行下行了.怎么解决呢??
谢谢!!!
------解决方案--------------------我不太明白你这个程序的意思?
你的程序已经没有错了?
你自己看一下?[code=Java][/code]
import java.io.*;
class Buy {
char n = 0;
char money = 0, storage = 0;
void print() {
System.out.print("任意-------1,> =500---------2, <500---------3 ");
try {
n = (char) System.in.read();
System.in.skip(2);
System.out.print("过去付款情况y---好n-----不好 ");
money = (char) System.in.read();
System.in.skip(2);
System.out.print("库存情况y------够n-------不够 ");// 为什么这里不能在键盘输入就执行下行了.?
storage = (char) System.in.read();
} catch (IOException e) {
e.printStackTrace();
}
if (n == '1') {
if (money == 'y')
if (storage == 'y')
System.out.println("立即发货 ");
else
System.out.println(" 款到后发货 ");
}
if (n == '2') {
if (money == 'n')
if (storage == 'y')
System.out.println("须先付款 ");
else
System.out.println("暂 推 ");
}
if (n == '3') {
if (money == 'n')
if (storage == 'y')
System.out.println("立即发货 ");
else
System.out.println("款到后发货 ");
}
}
}
public class CBuy {
public static void main(String[] args) {
Buy b = new Buy();
b.print();
}
}