我想从控制台读取一个键,但是我得到了这个例外,而且我非常喜欢它。我很感激任何帮助!
public char readKey() {
char key = ' ';
try {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
key = (char) br.read();
} catch (IOException e) {
e.printStackTrace();
}
return key;
}
java.io.IOException:Stream关闭了 java.io.BufferedInputStream.getBufIfOpen(BufferedInputStream.java:162) 在java.io.BufferedInputStream.read(BufferedInputStream.java:325)at sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:283)at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:325)at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:177)at java.io.InputStreamReader.read(InputStreamReader.java:184)at java.io.BufferedReader.fill(BufferedReader.java:154)at java.io.BufferedReader.read(BufferedReader.java:175)