The document was created with Spire.PDF for Java

import com.spire.pdf.*;
import com.spire.pdf.graphics.*;
import java.awt.*;

public class helloWorld {
    public static void main（String[] args） {
        // Create a pdf document
        PdfDocument doc = new PdfDocument（）;
        // Compress level
        doc.setCompressionLevel（PdfCompressionLevel.None）;
        // Add a pdf page
        PdfPagebase page = doc.getPages（）.add（）;
        // Create PdfRGBColor
        PdfRGBColor color = new PdfRGBColor（Color.black）;
        //Draw the text
        page.getCanvas（）.drawString（“Hello World!“
                new PdfFont（PdfFontFamily.Helvetica 30）
                new PdfSolidBrush（color） 35 35）;
        // Save to File
        doc.saveToFile（“output/helloWorld.pdf“）;
    }
}