Java sample code 03

I communicated the source posted in SAMPLE GALLERY and added an import statement.

3.java poi Word

need to download poi jar file

• install(https://poi.apache.org/) --Create Word file --Write characters in Word file --Make letters bold --Make characters italic --Underline the letters --Set text color --Tab --Add a strikethrough --Add a double strikethrough --Specify font size --Specify font --Insert a line break

3.java poi Word 3-0.download&install Copy the "* .jar" file from the bin file downloaded from the following site to Project https://poi.apache.org/
https://xmlbeans.apache.org/download/
--Subcomponent

• POIFS (Poor Obfuscation Implementation File System) --HSSF (Horrible SpreadSheet Format) --Handles Microsoft Excel (XLS) format files. --XSSF (XML SpreadSheet Format) --Handles Office Open XML Workbook format files. --HWPF (Horrible Word Processor Format) --Handles Microsoft Word (DOC) format files. --XWPF (XML Word Processor Format) --Handles Office Open XML Document format files. --HSLF (Horrible Slide Layout Format) --Handles Microsoft PowerPoint (PPT) format files. --XSLF (XML Slide Layout Format) --Handles Office Open XML Presentation format files. --HPSF (Horrible Property Set Format) --A component that reads Microsoft Office document summaries. --HDGF (Horrible DiaGram Format) --Handles Microsoft Visio format files. --HPBF (Horrible PuBlisher Format) --Handles Microsoft Publisher format files. --HSMF (Horrible Stupid Mail Format) --Handles Microsoft Outlook (MSG) format files.

3-1. Creating a Word file

import org.apache.poi.xwpf.usermodel.XWPFDocument;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

public class SamplePoi {

    public static void main(String[] args) throws IOException {
        OutputStream os = null;
        try {
            os = new FileOutputStream("TestWordFile.docx");
            XWPFDocument wordFile = new XWPFDocument();
            wordFile.write(os);//I am creating a word file here.
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (os != null) {
                os.close();
            }
        }
    }

}

3-2. Write characters in Word file

import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

public class SamplePoi {

    public static void main(String[] args) throws IOException {
        OutputStream os = null;
        try {
            os = new FileOutputStream("TestWordFile2.docx");
            XWPFDocument wordFile = new XWPFDocument();
            XWPFParagraph paragraph = wordFile.createParagraph();
            XWPFRun run = paragraph.createRun();
            run.setText("AIUEO");//I'm writing letters here.
            run.setText("Kakikukeko");
            wordFile.write(os);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (os != null) {
                os.close();
            }
        }
    }

}

3-3. Make the letters bold

import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

public class SamplePoi {

    public static void main(String[] args) throws IOException {
        OutputStream os = null;
        try {
            os = new FileOutputStream("TestWordFile.docx");
            XWPFDocument wordFile = new XWPFDocument();
            XWPFParagraph paragraph = wordFile.createParagraph();
            XWPFRun run = paragraph.createRun();
            run.setText("AIUEO");
            run.setBold(true);//It is in bold here.
            wordFile.write(os);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (os != null) {
                os.close();
            }
        }
    }

}

3-4. Make characters italic

import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

public class SamplePoi {

    public static void main(String[] args) throws IOException {
        OutputStream os = null;
        try {
            os = new FileOutputStream("TestWordFile.docx");
            XWPFDocument wordFile = new XWPFDocument();
            XWPFParagraph paragraph = wordFile.createParagraph();
            XWPFRun run = paragraph.createRun();
            run.setText("AIUEO");
            run.setItalic(true);//Italicized here.
            wordFile.write(os);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (os != null) {
                os.close();
            }
        }
    }

}

3-5. Underline letters

import org.apache.poi.xwpf.usermodel.UnderlinePatterns;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

public class SamplePoi {

    public static void main(String[] args) throws IOException {
        OutputStream os = null;
        try {
            os = new FileOutputStream("TestWordFile.docx");
            XWPFDocument wordFile = new XWPFDocument();
            XWPFParagraph paragraph = wordFile.createParagraph();
            XWPFRun run = paragraph.createRun();
            run.setText("AIUEO");
            run.setUnderline(UnderlinePatterns.DOUBLE);//It is underlined here. The underline type can be selected in the "Underline Patterns" class.
            wordFile.write(os);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (os != null) {
                os.close();
            }
        }
    }

}

3-6. Set the text color

import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

public class SamplePoi {

    public static void main(String[] args) throws IOException {
        OutputStream os = null;
        try {
            os = new FileOutputStream("TestWordFile.docx");
            XWPFDocument wordFile = new XWPFDocument();
            XWPFParagraph paragraph = wordFile.createParagraph();
            XWPFRun run = paragraph.createRun();
            run.setText("AIUEO");
            run.setColor("FF0000");//The color of the characters is specified here. Hexadecimal. "RRGGBB".
            wordFile.write(os);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (os != null) {
                os.close();
            }
        }
    }

}

3-7. Add tabs

import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

public class SamplePoi {

    public static void main(String[] args) throws IOException {
        OutputStream os = null;
        try {
            os = new FileOutputStream("TestWordFile.docx");
            XWPFDocument wordFile = new XWPFDocument();
            XWPFParagraph paragraph = wordFile.createParagraph();
            XWPFRun run = paragraph.createRun();
            run.addTab();//I'm attaching a tab here.
            run.setText("AIUEO");
            wordFile.write(os);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (os != null) {
                os.close();
            }
        }
    }

}

3-8. Add a strikethrough

import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

public class SamplePoi {

    public static void main(String[] args) throws IOException {
        OutputStream os = null;
        try {
            os = new FileOutputStream("TestWordFile.docx");
            XWPFDocument wordFile = new XWPFDocument();
            XWPFParagraph paragraph = wordFile.createParagraph();
            XWPFRun run = paragraph.createRun();
            run.setText("AIUEO");
            run.setStrikeThrough(true);//A strikethrough is added here.
            wordFile.write(os);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (os != null) {
                os.close();
            }
        }
    }

}

3-9. Add a double strikethrough

import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

public class SamplePoi {

    public static void main(String[] args) throws IOException {
        OutputStream os = null;
        try {
            os = new FileOutputStream("TestWordFile.docx");
            XWPFDocument wordFile = new XWPFDocument();
            XWPFParagraph paragraph = wordFile.createParagraph();
            XWPFRun run = paragraph.createRun();
            run.setText("AIUEO");
            run.setDoubleStrikethrough(true);//A double strikethrough is added here.
            wordFile.write(os);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (os != null) {
                os.close();
            }
        }
    }

}

3-10. Specify the font size

import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

public class SamplePoi {

    public static void main(String[] args) throws IOException {
        OutputStream os = null;
        try {
            os = new FileOutputStream("TestWordFile.docx");
            XWPFDocument wordFile = new XWPFDocument();
            XWPFParagraph paragraph = wordFile.createParagraph();
            XWPFRun run = paragraph.createRun();
            run.setText("AIUEO");
            run.setFontSize(20);//I am changing the font size here.
            wordFile.write(os);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (os != null) {
                os.close();
            }
        }
    }

}

3-11. Specify the font

import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

public class SamplePoi {

    public static void main(String[] args) throws IOException {
        OutputStream os = null;
        try {
            os = new FileOutputStream("TestWordFile.docx");
            XWPFDocument wordFile = new XWPFDocument();
            XWPFParagraph paragraph = wordFile.createParagraph();
            XWPFRun run = paragraph.createRun();
            run.setText("Hello World.");
            run.setFontFamily("Times New Roman");//The font is specified here.
            run.addCarriageReturn();
            run = paragraph.createRun();
            run.setText("Hello World.");
            run.setFontFamily("MS gothic");//The font is specified here.
            wordFile.write(os);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (os != null) {
                os.close();
            }
        }
    }

}

3-12. Insert a line break

import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;

public class SamplePoi {

    public static void main(String[] args) throws IOException {
        OutputStream os = null;
        try {
            os = new FileOutputStream("TestWordFile.docx");
            XWPFDocument wordFile = new XWPFDocument();
            XWPFParagraph paragraph = wordFile.createParagraph();
            XWPFRun run = paragraph.createRun();
            run.setText("Hello World.");
            run.addCarriageReturn();//A line break is inserted here.
            run.setText("Hello World.");
            wordFile.write(os);
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            if (os != null) {
                os.close();
            }
        }
    }

}