proj0/examples/StdDraw.java
/**
     * Returns true if the user has typed a key (that has not yet been processed).
     *
     * @return {@code true} if the user has typed a key (that has not yet been processed
     *         by {@link #nextKeyTyped()}; {@code false} otherwise
     */
Returns true if the user has typed a key (that has not yet been processed).
@return  true if the user has typed a key (that has not yet been processed
by  #nextKeyTyped();  false otherwise
Returns true if the user has typed a key ( that has not yet been processed ) . @return true if the user has typed a key ( that has not yet been processed by #nextKeyTyped () ; false otherwise
public static boolean hasNextKeyTyped() {
        synchronized (keyLock) {
            return !keysTyped.isEmpty();
        }
    }
public static boolean hasNextKeyTyped ( ) { synchronized ( keyLock ) { return ! keysTyped . isEmpty ( ) ; } }
Returns true if the user has typed a key (that has not yet been processed).
Returns true if the user has typed a key ( that has not yet been processed ) .