How to read a single char from the console in Java (as the user types it)?

Question

Is there an easy way to read a single char from the console as the user is typing it in Java? Is it possible? I\'ve tried with these methods but they all wait for the user t

Answer 1

Use jline3:

Example:

Terminal terminal = TerminalBuilder.builder()
    .jna(true)
    .system(true)
    .build();

// raw mode means we get keypresses rather than line buffered input
terminal.enterRawMode();
reader = terminal .reader();
...
int read = reader.read();
....
reader.close();
terminal.close();