<?xml version="1.0"?> <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.java2s.com" xmlns="http://www.java2s.com" elementFormDefault="qualified"> <xsd:element name="population"> <xsd:simpleType> <xsd:restriction base="xsd:integer"> <xsd:maxInclusive value="5000" /> </xsd:restriction> </xsd:simpleType> </xsd:element> </xsd:schema> File: Data.xml <?xml version="1.0"?> <population xmlns="http://www.java2s.com">4999</population>