运行期间无阻塞输入流

Question

Working on project console program, that needs an infinite loop, stopped by a key while the process is running , such as 'q', or 'Esc' key, and requires an action uses arrow keys such as Up key to do something , and Down key. There is in C/C++ a getch() , but I found after search , there's no equivalent in Java.

Answer 1

System.in.read() will read one bye typed, waiting until one appears before returning. (for more complex input this will not be enough as it doesn't handle multi byte characters, should be fine for you though...)