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java.util.Collections.sort(java.util.List) 
java.util.Collections.sort(java.util.List, java.util.Comparator) 
 
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package collsort.comparable; 
/** 
* Created by IntelliJ IDEA. 
* User: leizhimin 
* Date: 2008-3-29 22:21:19 
* Company: LavaSoft(http://lavasoft.blog.51cto.com) 
* ÒªÅÅÐòµÄÔªËØ¶ÔÏó 
*/ 
public class Cat implements Comparable<Cat> { 
    private int age; 
    private String name; 
    public Cat(int age, String name) { 
        this.age = age; 
        this.name = name; 
    } 
    public int getAge() { 
        return age; 
    } 
    public void setAge(int age) { 
        this.age = age; 
    } 
    public String getName() { 
        return name; 
    } 
    public void setName(Strin


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import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import java.io.*;
import java.net.*;
import javax.swing.filechooser.FileFilter;
public class Ftp extends JLabel
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