我要打“ t”次打招呼。因此,我已经编写了此代码段。
import java.util.*;
import java.io.*;
class Buff
{
public static void main(String args[])
{
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
int t = Integer.parseInt(br.readLine());
while(t-->0)
bw.write("hello");
}
}
它输出一个异常
Buff.java:11: error: unreported exception IOException; must be caught or declared to be thrown
String t = br.readLine();
^
Buff.java:14: error: unreported exception IOException; must be caught or declared to be thrown
bw.write("hello");
请帮助!!! PS:即使我抛出IOException也无济于事