java获取键盘输入不如C#方便啊啊!
InputStreamReader isr = new InputStreamReader(System.in);
BufferedReader br = new BufferedReader(isr);
System.out.print("Input: ");
String line;
try {
line = br.readLine();
System.out.println("Show: " + line);
} catch (IOException e) {
e.printStackTrace();
} finally {
}