Concatenate two pdf files
In this program we are going to concatenate two pdf files
into a pdf file through java program. The all data of files
are concatenated into
the pdf. You can concentrate only two files into a single file.
In this example we need iText.jar file, without this jar file we
never compile our application . The package we need to import are java.io.
FileOutputStream,j com.lowagie.text.pdf.PdfCopy,com.lowagie.text.pdf.PdfReader,
The java.io.FileOutputStream class is used to create file.T. com.
lowagie.text.pdf.PdfCopy class is used to make copies of
PDF documents and It extends PdfWriter. The com.lowagie.text.pdf.PdfReader class is used to
read pdf from specified file. PdfReader class throws an IOException
and extends Object class.
To make the program for concatenate pdf files firstly we will make a
class Concanenate. Remember the name of the file should be such that, if
any other person sees the example then just by seeing the name of the program he
can understand what the program is going to do without seeing the code.
The steps to execute this program:
- Makes minimum two pdf file.
- Download the iTex.jar
file .
- Copy iText.jar into lib directory and Set the class.
- Make or Download the source code of program.
- Put the source code and pdf files into same
directory.
- Compile the source code.
- Press enter to execute your program.
Inside this class declare the main method which must throws Exception.
After that follow the simple steps find the version:
- Makes two object of PdfReader to read the
files.
- Create object of PdfCopyFields to create new
pdf file where we copy two pdf files.
- add the two pdf into copy object by using
addDocument() method.
- close the copy object
The code of the program is given below:
import java.io.FileOutputStream;
import java.io.IOException;
import com.lowagie.text.pdf.PdfCopyFields;
import com.lowagie.text.pdf.PdfReader;
public class Concatenate2PDF {
public static void main(String[] args)throws Exception {
System.out.println("Concatenate Two PDF");
PdfReader reader1 = new PdfReader("1PDF.pdf");
PdfReader reader2 = new PdfReader("2PDF.pdf");
PdfCopyFields copy = new PdfCopyFields(new FileOutputStream("concatenatedPDF.pdf"));
copy.addDocument(reader1);
copy.addDocument(reader2);
copy.close();
}
}
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Download file1 example.
Download file2 example.
The output of the program is given below:
Download this example.
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