Creating Word Document in Java Application

As a powerful and efficient words processing tool, Word plays an important role in our daily work. This article will introduce how to create a Word document in Java application by using Free Spire.Doc for Java, and then insert an image into it as well as set its paragraph styles.

Installation
Method 1: Download the Free Spire.Doc for Java and unzip it. Then add the Spire.Doc.jar file to your Java application as dependency.

Method 2: You can also add the jar dependency to maven project by adding the following configurations to the pom.xml.

<repositories>
   <repository>
      <id>com.e-iceblue</id>
      <name>e-iceblue</name>
      <url>http://repo.e-iceblue.com/nexus/content/groups/public/</url>
   </repository>
</repositories>
<dependencies>
   <dependency>
      <groupId>e-iceblue</groupId>
      <artifactId>spire.doc.free</artifactId>
      <version>2.7.3</version>
   </dependency>
</dependencies>

Creating Word Document:

import com.spire.doc.*;
import com.spire.doc.documents.HorizontalAlignment;
import com.spire.doc.documents.Paragraph;
import com.spire.doc.documents.ParagraphStyle;
import com.spire.doc.fields.DocPicture;

import java.awt.*;

public class CreateWordDocument {
    public static void main(String[] args){
        //Create a Document instance
        Document document = new Document();

        //Add a section
        Section section = document.addSection();

        //Add 4 paragraphs to the section
        Paragraph para1 = section.addParagraph();
        para1.appendText("What Is Insomnia?");

        Paragraph para2 = section.addParagraph();
        para2.appendText("Insomnia is characterized by an inability to obtain a sufficient amount of sleep to feel rested. "+
                "It can be due to either difficulty falling or staying asleep. It may also result in waking earlier than desired. "+
                "The sleep is often reported to be of chronically poor quality, light, and unrefreshing. "+
                "As a result of this, people with insomnia suffer from daytime symptoms like poor attention, irritability, and reduced energy.");

        Paragraph para3 = section.addParagraph();
        para3.appendText("Everyone has the potential to develop the kind of difficulty sleeping that characterizes insomnia. "+
                "This is referred to as a predisposition or threshold. The threshold for developing insomnia will vary for each person.");

        //Add an image to paragraph 4
        Paragraph para4 = section.addParagraph();
        DocPicture picture = para4.appendPicture("pic1.png");
        //Set image width
        picture.setWidth(300f);
        //Set image height
        picture.setHeight(250f);

        //Set title style for paragraph 1
        ParagraphStyle style1 = new ParagraphStyle(document);
        style1.setName("titleStyle");
        style1.getCharacterFormat().setBold(true);
        style1.getCharacterFormat().setTextColor(Color.BLUE);
        style1.getCharacterFormat().setFontName("Arial");
        style1.getCharacterFormat().setFontSize(12f);
        document.getStyles().add(style1);
        para1.applyStyle("titleStyle");

        //Set style for paragraph 2 and 3
        ParagraphStyle style2 = new ParagraphStyle(document);
        style2.setName("paraStyle");
        style2.getCharacterFormat().setFontName("Arial");
        style2.getCharacterFormat().setFontSize(11f);
        document.getStyles().add(style2);
        para2.applyStyle("paraStyle");
        para3.applyStyle("paraStyle");

        //Set horizontal alignment for paragraph 1 and paragraph 4
        para1.getFormat().setHorizontalAlignment(HorizontalAlignment.Center);
        para4.getFormat().setHorizontalAlignment(HorizontalAlignment.Center);

        //Set first-line indent for paragraph 2 and 3
        para2.getFormat().setFirstLineIndent(25f);
        para3.getFormat().setFirstLineIndent(25f);

        //Set spaces after paragraph 1, 2 and 3
        para1.getFormat().setAfterSpacing(15f);
        para2.getFormat().setAfterSpacing(10f);
        para3.getFormat().setAfterSpacing(10f);

        //Save the document
        document.saveToFile("Word.docx", FileFormat.Docx);
    }
}