convert-pdf-to-doc.java

// Load source PDF file
Document doc = new Document("input.pdf");

// Save resultant DOC file
doc.save("output.doc", SaveFormat.Doc);

convert-pdf-to-docx-additional-options.java

// Load source PDF file
Document doc = new Document("input.pdf");

// Instantiate DocSaveOptions instance
DocSaveOptions saveOptions = new DocSaveOptions();

// Set output format
saveOptions.setFormat(DocSaveOptions.DocFormat.DocX);

// Set the recognition mode as Flow
saveOptions.setMode(DocSaveOptions.RecognitionMode.Flow);

// Set the horizontal proximity as 2.5
saveOptions.setRelativeHorizontalProximity(2.5f);

// Enable bullets recognition during conversion process
saveOptions.setRecognizeBullets(true);

// Save resultant DOCX file
doc.save("resultant.docx", saveOptions);

convert-pdf-to-docx.java

// Load source PDF file
Document doc = new Document("input.pdf");

// Save resultant DOCX file
doc.save("output.docx", SaveFormat.DocX);