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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)
{
super(s); //µ÷Óø¸ÀàµÄ¹¹Ôì·½·¨
}
void eat() //ÖØÐ´¸¸ÀàµÄ³éÏó·½·¨
{
System.out.println("Âí³Ô²ÝÁÏ£¡");
}
}
class Dog extends Animal
{
String str;
Dog(String s)
{
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import java.io.*;
import java.util.*;
import com.sun.image.codec.jpeg.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.awt.*;
import java.awt.image.*;
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publicd class syncTest {
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synchronized void aMethod() {
//ÐèҪͬ²½Ê¹ÓõĴúÂë
}
}
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import java.io.File;
public class fileFilter {
public static void main(String[] args) {
File file = new File("d:\\");//ÉèÖÃÎļþ·¾¶
for (File fileList : file.listFiles(new file.MyFileFilter())) {
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