public boolean moveCLI(KeyboardReader kr) {
int max = 3;
if (nSticks < 3) max = nSticks;
kr.prompt("Input a number between 1 and " + max + ": ");
int num = kr.getKeyboardInteger();
return takeSticks(num);
} // moveCLI()
// *** Implement methods of PlayableCLI interface ***
public void initCLI(KeyboardReader kr) {
kr.display("\n*** The Rules of One Row Nim ***\n");
kr.display("(1) A number of sticks between 7 and 21 is chosen.\n");
kr.display("(2) Two players alternate making moves.\n");
kr.display("(3) A move consists of subtracting 1, 2,\n");
kr.display(" or 3 from the current number of sticks.\n");
kr.display("(4) A player who cannot leave a positive\n");
kr.display(" number of sticks for the other player loses.\n");
int num = -1;
while ((num < 7) || (num > 21)) {
kr.prompt("Input a number between 7 and 21:");
num = kr.getKeyboardInteger();
} // while
setSticks(num);
setPlayer(1);
} // initCLI()
