Hello World

1st September 2016
iText PDF
HelloWorld.java
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/**
 * Example written for JavaOne 2016.
 * Differences between iText 5 and iText 7 are discussed in the JavaOne talk
 * "Oops, I broke my API" by Raf Hens and Bruno Lowagie.
 * This is the iText 5 version of one of the examples.
 */
package javaone.edition16;
 
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
 
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.PdfWriter;
import sandbox.WrapToTest;
 
@WrapToTest
public class HelloWorld {
 
    public static final String DEST
        = "results/javaone/edition16/hello.pdf";
 
    public static void main(String[] args)
        throws DocumentException, IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new HelloWorld().createPdf(DEST);
    }
 
    public void createPdf(String dest)
        throws DocumentException, IOException {
        Document document = new Document();
        PdfWriter.getInstance(
            document, new FileOutputStream(dest));
        document.open();
        document.add(new Paragraph("Hello World!"));
        document.close();
    }
}
HelloWorld1.java
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/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2019 iText Group NV
    Authors: iText Software.
 
    For more information, please contact iText Software at this address:
    sales@itextpdf.com
 */
/**
 * Example written for JavaOne 2016.
 * Differences between iText 5 and iText 7 are discussed in the JavaOne talk
 * "Oops, I broke my API" by Raf Hens and Bruno Lowagie.
 * This is the iText 7 version of one of the examples.
 */
package com.itextpdf.sandbox.javaone16;
 
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Paragraph;
import java.io.File;
import java.io.IOException;
 
public class HelloWorld1 {
 
    public static final String DEST
        = "results/javaone16/hello1.pdf";
 
    public static void main(String[] args) throws IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new HelloWorld1().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException {
        PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
        Document document = new Document(pdf);
        document.add(new Paragraph("Hello World!"));
        document.close();
    }
}
HelloWorld2.java
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/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2019 iText Group NV
    Authors: iText Software.
 
    For more information, please contact iText Software at this address:
    sales@itextpdf.com
 */
/**
 * Example written for JavaOne 2016.
 * Differences between iText 5 and iText 7 are discussed in the JavaOne talk
 * "Oops, I broke my API" by Raf Hens and Bruno Lowagie.
 * This is the iText 7 version of one of the examples.
 */
package com.itextpdf.sandbox.javaone16;
 
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Paragraph;
import java.io.File;
import java.io.IOException;
 
public class HelloWorld2 {
 
    public static final String DEST
        = "results/javaone16/hello2.pdf";
 
    public static void main(String[] args) throws IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new HelloWorld2().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException {
        PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
        try (Document document = new Document(pdf)) {
            document.add(new Paragraph("Hello World!"));
        }
    }
}


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