How do I allow the user to select a pen color?

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Javascript

Java

A portion of the assignment that I'm currently doing, requires the user to select a pen color of their choosing. However whenever I run the program it won't allow me to input a string so that I can select a color. I've tried asking for a solution from other programmers and sites like stackoverflow, only to be told that I should include a

System.out.print

statement, but that didn't solve the problem. What am I doing wrong?

What I have tried:

public class BallGame extends JFrame {

    public static void main(String[] args) {
        Scanner cool = new Scanner(System.in);
        System.out.println("Please enter the color that you wish to use to draw your point(color options: Red, blue, light blue, pink, green, orange, magenta, and yellow):");
        color = cool.nextLine();
        System.out.println(color);

        StdDraw.setPenRadius(0.05);

        if ("red".equalsIgnoreCase(color)) {
            StdDraw.setPenColor(StdDraw.RED);
        } else if ("blue".equalsIgnoreCase(color)) {
            StdDraw.setPenColor(StdDraw.BLUE);
        } else if ("light blue".equalsIgnoreCase(color)) {
            StdDraw.setPenColor(StdDraw.BOOK_LIGHT_BLUE);
        } else if ("pink".equalsIgnoreCase(color)) {
            StdDraw.setPenColor(StdDraw.PINK);
        } else if ("green".equalsIgnoreCase(color)) {
            StdDraw.setPenColor(StdDraw.GREEN);
        } else if ("orange".equalsIgnoreCase(color)) {
            StdDraw.setPenColor(StdDraw.ORANGE);
        } else if ("magenta".equalsIgnoreCase(color)) {
            StdDraw.setPenColor(StdDraw.MAGENTA);
        } else if ("yellow".equalsIgnoreCase(color)) {
            StdDraw.setPenColor(StdDraw.YELLOW);
        } else {
            StdDraw.setPenColor(StdDraw.CYAN);
        }
    }
}