### Question:
Document2004 implements IDocument, IElement { @Override public IHeader getHeader() { return this.getBody().getHeader(); }  @Override String getContent(); @Override void setPageOrientationLandscape(); @Override IBody getBody(); @Override IFooter getFooter(); @Override IHeader getHeader(); @Override void addEle(IElement e); @Override void addEle(String str); @Override String toString(); @Override Document2004 title(String title); @Override Document2004 subject(String subject); @Override Document2004 keywords(String keywords); @Override Document2004 description(String description); @Override Document2004 category(String category); @Override Document2004 author(String author); @Override Document2004 lastAuthor(String lastAuthor); @Override Document2004 manager(String manager); @Override Document2004 company(String company); @Override Document2004 encoding(Encoding encoding); @Override Document2004 encoding(String encoding); @Override String getUri(); static final String DocumentHead; }### Answer:
@Test public void testGetHeader() { IDocument myDoc = new Document2004(); assertTrue(myDoc.getBody().getContent().contains("<w:body>")); assertTrue(myDoc.getBody().getContent().contains("</w:body>")); }