First subject preceding Java is : proceding sibling « XPath « XML Tutorial

1. XML Tutorial
2. XPath
3. proceding sibling

File: Data.xml

<?xml version = "1.0"?>
<product>
   <books>
      <book>
         Getting Started with Microsoft Visual C++ 
      </book>
      <book>Java</book>
   </books>
</product>

File: Transform.xslt
<?xml version = "1.0"?>
<xsl:stylesheet version="1.0"
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:template match="/product">
    First subject preceding "Java" is
    <xsl:value-of
      select="//subject[. = 'Java'
                  ]/preceding-sibling::subject[ 1 ]" />
  </xsl:template>
</xsl:stylesheet>

Output:

<?xml version="1.0" encoding="UTF-8"?>
    First subject preceding "Java" is