stanford-algorithms/TestAlgs4.java at master · mpgray/stanford-algorithms · GitHub

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/******************************************************************************
 *  Compilation:  javac-algs4 TestAlgs4.java
 *  Execution:    java-algs4 TestAlgs4
 *  Dependencies: StdDraw.java
 *                http://introcs.cs.princeton.edu/mac/cover.jpg
 *
 *  Draws a blue bullseye and textbook graphic.
 *
 ******************************************************************************/

import edu.princeton.cs.algs4.StdDraw;

public class TestAlgs4 {
    public static void main(String[] args) {
        StdDraw.setScale(-1, 1);
        StdDraw.clear(StdDraw.BLACK);

        StdDraw.setPenColor(StdDraw.WHITE);
        StdDraw.square(0, 0, 1);

        // write some text
        StdDraw.setPenColor(StdDraw.WHITE);
        StdDraw.text(0, +0.95, "Hello, world! This is a test Java program.");
        // StdDraw.text(0, -0.95, "Close this window to finish the installation.");

        // draw the bullseye
        StdDraw.setPenColor(StdDraw.BOOK_BLUE);
        StdDraw.filledCircle(0, 0, 0.9);
        StdDraw.setPenColor(StdDraw.BLACK);
        StdDraw.filledCircle(0, 0, 0.8);
        StdDraw.setPenColor(StdDraw.BOOK_BLUE);
        StdDraw.filledCircle(0, 0, 0.7);
        StdDraw.setPenColor(StdDraw.BLACK);
        StdDraw.filledCircle(0, 0, 0.6);

        // draw a picture of the textbook
        StdDraw.picture(0, 0, "cover.jpg", 0.65, 0.80);
    }
}