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abstract class Animal //¶¨Òå³éÏóÀà
{
String str;
Animal(String s) //¶¨Òå³éÏóÀàµÄÒ»°ã·½·¨
{
str=s;
}
abstract void eat(); //¶¨Òå³éÏó·½·¨
}
class Horse extends Animal //¶¨Òå¼Ì³ÐAnimalµÄ×ÓÀà
{
String str;
Horse(String s)
{
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}
void eat() //ÖØÐ´¸¸ÀàµÄ³éÏó·½·¨
{
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}
}
class Dog extends Animal
{
String str;
Dog(String s)
{
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publicd class syncTest {
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synchronized void aMethod() {
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}
}
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package test;
import java.io.*;
import javax.xml.parsers.*;
import org.w3c.dom.*;
import org.xml.sax.SAXException;
public class XmlTest {
public static void main(String[] args) {
File xmlFile=new File("test/xml.xml");
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