java sort vector_java 怎麼用vector排序？？？

是這樣的一個資料 {13,12,12} 怎麼取？？？   我想把13取出來 進行排序然後在吧資料儲存到JTable  裡面！！！！

這是我的代碼

import javax.swing.*;

import java.awt.*;

import java.awt.event.*;

import java.util.*;

import java.io.*;

public class JTableApp {

JTable table;

int i;

JFrame f;

private String xuehao;

private String Name;

private String chengji;

JTextField jt_1;

JTextField jt_2;

JTextField jt_3;

JDialog jd;

Vector rowData;

public JTableApp(){

f = new JFrame();

Vector columnNames = new Vector();//建立各項名稱

columnNames.add("學号");

columnNames.add("姓名");

columnNames.add("成績");

rowData = new Vector();//學生資訊資料主體

///讀取資料/

try{

FileInputStream f=new FileInputStream("data.txt");

ObjectInputStream s=new ObjectInputStream(f);

rowData=(Vector)s.readObject();

s.close();

}catch(IOException e){}

catch(ClassNotFoundException e){}

JPanel pane=new JPanel(new BorderLayout());//定義頂層容器

JPanel pane0=new JPanel(new BorderLayout());

JPanel pane1=new JPanel(new FlowLayout());

//"添加"按鈕

JButton a=new JButton("添加");

final JButton n=new JButton("排序");

a.setToolTipText("單擊進行添加");

a.setFont(new Font("",Font.PLAIN,15));

a.setBackground(new Color(175,215,136));

//a.updateUI();

//編寫添加監聽器

a.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e){

jd=new JDialog(f,"輸入",false,null);//頂層面闆

JPanel pane_0=new JPanel(new GridLayout(0,1));

//裝載JTabel和TextField的面闆

JPanel pane_1=new JPanel(new FlowLayout());

JPanel pane_2=new JPanel(new FlowLayout());

JPanel pane_3=new JPanel(new FlowLayout());

JPanel pane_4=new JPanel(new FlowLayout());

JPanel pane_5=new JPanel(new FlowLayout());

JPanel pane_6=new JPanel(new FlowLayout());

JPanel pane_7=new JPanel(new FlowLayout());

//設定面闆L&F

final JButton b1=new JButton("确定");

final JButton b2=new JButton("取消");

//設定按鈕的L&F

b1.setFont(new Font("",Font.BOLD,15));

b2.setFont(new Font("",Font.BOLD,15));

b1.setBackground(new Color(175,215,136));

b2.setBackground(new Color(175,215,136));

b1.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent a){

xuehao=jt_1.getText();//擷取學号

Name=jt_2.getText();//擷取姓名

chengji=jt_3.getText();//擷取成績

String ss[]=new String[3];

ss[0]=xuehao;

ss[1]=Name;

ss[2]=chengji;

int h;

boolean bb=false;

for(h=0;h

System.out.println(ss[h]);

if(ss[h].equals("")){

bb=true;

break;

}else{bb=false;}

}

if(bb){

JOptionPane.showMessageDialog(b1,"輸入不能有為空！","Error",JOptionPane.ERROR_MESSAGE);

}

else{

int s4 = rowData.size();

System.out.println("s4="+s4);

Vector rowData1 = new Vector();

rowData1.add(xuehao);

rowData1.add(Name);

rowData1.add(chengji);;

if(s4!=0){

rowData.add(i+1,rowData1);}

else{

rowData.add(rowData1);

}

table.updateUI();

JOptionPane.showMessageDialog(b1,"添加成功！","Information",JOptionPane.INFORMATION_MESSAGE);

//System.out.println(num);

jd.removeNotify();

}

//存取資料

try{

ObjectOutputStream fout1=new ObjectOutputStream(new FileOutputStream

("data.txt"));

fout1.writeObject(rowData);

fout1.close();

}catch(IOException e){}

///存取結束///

}

});

///按鈕b2的監聽器結束

b2.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent a){

jd.removeNotify();//關閉JDialog

}

});

JLabel jl_1=new JLabel("學号");

JLabel jl_2=new JLabel("姓名");

JLabel jl_3=new JLabel("成績");

jl_1.setFont(new Font("",Font.BOLD,15));

jl_2.setFont(new Font("",Font.BOLD,15));

jl_3.setFont(new Font("",Font.BOLD,15));

jt_1=new JTextField(20);

jt_2=new JTextField(20);

jt_3=new JTextField(20);

//排序

n.addActionListener(new ActionListener(){

public void actionPerformed(ActionEvent e){

}

});

//裝載JTabel和JTextField

pane_2.add(jl_1);

pane_2.add(jt_1);

pane_3.add(jl_2);

pane_3.add(jt_2);

pane_4.add(jl_3);

pane_4.add(jt_3);

pane_6.add(b1);

pane_6.add(b2);

//裝載JTabel和JTextField結束

/将裝載了JTabelJ和TextField的面闆裝載到頂層面闆

pane_0.add(pane_7);

pane_0.add(pane_1);

pane_0.add(pane_2);

pane_0.add(pane_3);

pane_0.add(pane_4);

pane_0.add(pane_5);

pane_0.add(pane_6);

///裝載結束/

jd.getContentPane().add(pane_0);

//jd.setVisible(true);方此位置不能顯示

jd.setSize(420,500);

jd.setLocation(160,400);

jd.setVisible(true);

jd.pack();

}

});

///對的table進行系列設定//

table=new JTable(rowData,columnNames);

//table.CellEditor(rowData);

table.setPreferredScrollableViewportSize(new Dimension(600,200));//設定此表視口的首選大小

table.setRowHeight(30);

table.setFont(new Font("colunmNames",Font.PLAIN,15));

table.setForeground(new Color(54,117,23));//前端顯示

table.setGridColor(new Color(238,124,107));

table.setSelectionBackground(new Color(175,215,136));

table.setSelectionForeground(new Color(54,117,23));

//傳回滑鼠單擊表格所在的行數

table.addMouseListener(new MouseAdapter(){

public void mouseClicked(MouseEvent e){

i=table.getSelectedRow();

table.getSelectedColumn();

table.updateUI();

存儲修改後得結果

try{

ObjectOutputStream fout1=new ObjectOutputStream(new FileOutputStream

("data.txt"));

fout1.writeObject(rowData);

fout1.close();

}catch(IOException e3){}

System.out.println(i);

}

});

///設定結束

JScrollPane scrollPane=new JScrollPane(table);//添加表格

//添加按鈕

pane1.add(a);

pane1.add(n);

pane0.add(scrollPane,BorderLayout.CENTER);

pane0.add(pane1,BorderLayout.SOUTH);

pane.add(pane0,BorderLayout.CENTER);

f.getContentPane().add(pane,BorderLayout.CENTER);

f.setTitle("通訊錄管理程式");

f.pack();

f.setVisible(true);

f.setLocation(300,300);

//setResizable(false);

f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

}

public static void main(String[] args){

new JTableApp();

}

}