iText 5 PDF - How to draw overlapping rectangles?

To create PDF file we need iText 5 jar. Download iText Jars from iText Website or Maven Repository

Maven Dependency

<!-- https://mvnrepository.com/artifact/com.itextpdf/itextpdf -->
<dependency>
 <groupid>com.itextpdf</groupid>
 <artifactid>itextpdf</artifactid>
 <version>5.5.11</version>
</dependency>

Rectangles.java

package com.javatutorialcorner.itextpdf;
 
import com.itextpdf.text.BaseColor;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfWriter;
  
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
 
public class Rectangles {
 
    public static final String DEST = "C:/JTC/Rectangles.pdf";
  
    public static void main(String[] args) throws IOException,
            DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new Rectangles().createPdf(DEST);
    }
  
    public void createPdf(String dest) throws IOException, DocumentException {
        Document document = new Document();
        PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream(dest));
        document.open();
        float llx = 36;
        float lly = 700;
        float urx = 200;
        float ury = 806;
        PdfContentByte canvas = writer.getDirectContent();
        Rectangle rect1 = new Rectangle(llx, lly, urx, ury);
        rect1.setBackgroundColor(BaseColor.LIGHT_GRAY);
        rect1.setBorder(Rectangle.BOX);
        rect1.setBorderWidth(1);
        canvas.rectangle(rect1);
        Rectangle rect2 = new Rectangle(llx + 60, lly, urx, ury - 40);
        rect2.setBackgroundColor(BaseColor.DARK_GRAY);
        rect2.setBorder(Rectangle.BOX);
        rect2.setBorderColor(BaseColor.WHITE);
        rect2.setBorderWidth(0.5f);
        canvas.rectangle(rect2);
        document.close();
    }
}