Example:

section.clearHeadersFooters();

Example:

section.getBody().removeAllChildren();
section.getBody().ensureMinimum();

Example:

// Open the template document, containing obsolete copyright information in the footer.
Document doc = new Document(getMyDir() + "HeaderFooter.Create Out.doc");

// In the copyright info replace year number from 2005 to 2006.
doc.getFirstSection().getHeadersFooters().getByHeaderFooterType(HeaderFooterType.FOOTER_PRIMARY).getRange().replace("(C) 2005 Aspose Pty Ltd.", "(C) 2006 Aspose Pty Ltd.", true, true);
doc.save(getMyDir() + "HeaderFooter.Change Out.doc");

Example:

Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);

// Get page setup for the current section.
PageSetup pageSetup = builder.getPageSetup();

// Set to 'true' if you want different headers/footers for first, even and odd pages.
pageSetup.setDifferentFirstPageHeaderFooter(false);
pageSetup.setOddAndEvenPagesHeaderFooter(false);

pageSetup.setHeaderDistance(20);
builder.moveToHeaderFooter(HeaderFooterType.HEADER_PRIMARY);
String imageFileName = getMyDir() + "Aspose.Words.gif";

Shape shape = builder.insertImage(imageFileName);
shape.setRelativeHorizontalPosition(RelativeHorizontalPosition.PAGE);
shape.setLeft(10);
shape.setRelativeVerticalPosition(RelativeVerticalPosition.PAGE);
shape.setTop(10);
shape.setWidth(50);
shape.setHeight(50);
shape.setWrapType(WrapType.THROUGH);

builder.getParagraphFormat().setAlignment(ParagraphAlignment.RIGHT);
builder.write("ASPOSE.WORDS DYNAMIC TEMPLATE");

builder.moveToHeaderFooter(HeaderFooterType.FOOTER_PRIMARY);

// We use table with two cells to make one part of the text on the line (with page numbering)
// to be aligned left, and the other part of the text (with copyright) to be aligned right.
builder.startTable();

// Calculate table width as total page width with left and right marins subtracted.
double tableWidth = pageSetup.getPageWidth() - pageSetup.getLeftMargin() - pageSetup.getRightMargin();

// Set the font properties for the footer.
builder.getFont().setSize(12);
builder.getFont().setName("Arial");

builder.insertCell();
// Set first cell to 1/3 of the page width.
builder.getCellFormat().setWidth(tableWidth / 3);

// Insert page numbering text here.
// It uses PAGE and NUMPAGES fields to autocalculate current page number and total number of pages.
builder.write("Page ");
builder.insertField("PAGE", "");
builder.write(" of ");
builder.insertField("NUMPAGES", "");

// Align this text to the left.
builder.getCurrentParagraph().getParagraphFormat().setAlignment(ParagraphAlignment.LEFT);

builder.insertCell();
// Set the second cell to 2/3 of the page width.
builder.getCellFormat().setWidth(tableWidth * 2 / 3);

builder.write("(C) 2006 Aspose Pty Ltd. All rights reserved.");

// Align this text to the right.
builder.getCurrentParagraph().getParagraphFormat().setAlignment(ParagraphAlignment.RIGHT);

builder.endRow();
builder.endTable();

doc.save(getMyDir() + "HeaderFooter.Create Out.doc");