試圖用arraylist填充jtable，但不工作

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我想填充使用arrayList的jTable，但我無法。我有4個班。我認爲的問題是，我無法將SoccerViewPlayer類中的manchester arraylist與SoccerEnterPlayer類中用戶輸入的球隊列表相提並論。試圖用arraylist填充jtable，但不工作

的SoccerViewPlayer類

import java.awt.EventQueue; 

import javax.swing.JFrame; 
import javax.swing.BorderFactory; 
import javax.swing.JButton; 
import java.awt.BorderLayout; 
import java.awt.event.ActionListener; 
import java.io.IOException; 
import java.util.ArrayList; 
import java.util.Arrays; 
import java.awt.event.ActionEvent; 
import javax.swing.JPanel; 
import javax.swing.border.SoftBevelBorder; 
import javax.swing.table.DefaultTableModel; 
import javax.swing.border.BevelBorder; 
import java.awt.Color; 
import javax.swing.JLabel; 
import javax.swing.SwingConstants; 
import java.awt.Font; 
import javax.swing.JScrollBar; 
import javax.swing.JScrollPane; 

import java.awt.Insets; 
import java.awt.Frame; 
import java.awt.GridBagConstraints; 
import javax.swing.Box; 
import javax.swing.JTable; 
import java.awt.ScrollPane; 

public class SoccerViewPlayers { 

    // Frame Classes - GUI 
    private JFrame frame; 
    private JTable table; 
    //private String[] columns = new String[] {"Name","Age", "Gender", "Team Level" }; 
    String[] columns = {"Player Name","Gender", "Age", "Team Level","Position","Overall Shots","Shots On Target", "Goals", "Saves"}; 
    private JScrollPane scrollPane; 



    public static void main(String[] args) { 
     EventQueue.invokeLater(new Runnable() { 
      public void run() { 
       try { 
        SoccerViewPlayers window = new SoccerViewPlayers(); 
        window.frame.setVisible(true); 
       } catch (Exception e) { 
        e.printStackTrace(); 
       } 
      } 
     }); 
    } 

    public SoccerViewPlayers() { 
     initialize(); 
    } 


    private void initialize() { 
     // Deals with program frame. 
     frame = new JFrame(); 
     frame.getContentPane().setBackground(Color.WHITE); 
     frame.setExtendedState(JFrame.MAXIMIZED_BOTH); 
     frame.getContentPane().setLayout(null); 

     String[][] werty = new String[][]{ 
      {} 
      //{"Sandra","Female","21", "Varsity","Striker","17","8", "5", "0"}, 

     }; 


     table = new JTable(werty, columns); 
     scrollPane.setViewportView(table); 

     DefaultTableModel model = (DefaultTableModel) table.getModel(); 
     ArrayList<SoccerPlayer> manchester = ArrayList(); 
     Object rowData[] = new Object [9]; 
     for(int i = 0; i < manchester.size(); i++) 
     { 
      rowData[0] = manchester.get(i).getPlayerName(); 
      rowData[1] = manchester.get(i).getGender(); 
      rowData[2] = manchester.get(i).getage(); 
      rowData[3] = manchester.get(i).getTeamLevel(); 
      rowData[4] = manchester.get(i).getPosition(); 
      rowData[5] = manchester.get(i).getOverallShots(); 
      rowData[6] = manchester.get(i).getShotsOnTarget(); 
      rowData[7] = manchester.get(i).getGoals(); 
      rowData[8] = manchester.get(i).getSaves(); 
      model.addRow(rowData); 
     } 

    } 

The Soccer Class 
import java.util.ArrayList; 

public class Soccer { 
    public ArrayList<SoccerPlayer> SoccerPlayers; 

    public void addPlayers(String PlayerName, String Gender, int age, String teamLevel, String position, int shotsOnTarget, int overallShots, int goals, int saves) 
    { 
     SoccerPlayers.add(new SoccerPlayer(PlayerName, Gender, age, teamLevel, position, shotsOnTarget, overallShots, goals, saves)); 

The SoccerPlayer class 
public class SoccerPlayer { 
    private String PlayerName; 
    private String position; 
    private String Gender; 
    private int shotsOnTarget; 
    private int overallShots; 
    private int goals; 
    private int saves; 
    private String teamLevel; 
    private int age; 

    public SoccerPlayer(String PlayerName, String Gender, int age, String teamLevel, String position, int shotsOnTarget, int overallShots, int goals, int saves) { 
     this.PlayerName = PlayerName; 
     this.age = age; 
     this.Gender = Gender; 
     this.teamLevel = teamLevel; 
     this.position = position; 
     this.shotsOnTarget = shotsOnTarget; 
     this.overallShots = overallShots; 
     this.goals = goals; 
     this.saves = saves; 
    } 


    public String getDetails() 
    { 
     System.out.println("Team Level:" + teamLevel); 
     System.out.println("Player Name:" + PlayerName); 
     System.out.println("Gender:" + Gender); 
     System.out.println("Age:" + age); 
     System.out.println("Position:" + position); 
     System.out.println("Shots:" + overallShots); 
     System.out.println("Shots On Target:" + shotsOnTarget); 
     System.out.println("Goals:" + goals); 
     System.out.println("Saves:" + saves); 
     return null; 
    } 
    public String getPlayerName() 
    { 
     return PlayerName; 
    } 

    public String getGender() 
    { 
     return Gender; 
    } 

    public String getTeamLevel() 
    { 
     return teamLevel; 
    } 

    public String getPosition() 
    { 
     return position; 
    } 

    public int getShotsOnTarget() 
    { 
     return shotsOnTarget; 
    } 

    public int getOverallShots() 
    { 
     return overallShots; 
    } 

    public int getGoals() 
    { 
     return goals; 
    } 

    public int getSaves() 
    { 
     return saves; 

    } 

    public int getage() 
    { 
     return age; 
    } 
} 

The SoccerEnterPlayer class 
import java.awt.BorderLayout; 
import java.awt.Container; 
import java.awt.EventQueue; 

import javax.swing.JFrame; 
import javax.swing.JPanel; 
import javax.swing.border.EmptyBorder; 
import javax.swing.JTextArea; 
import javax.swing.JLabel; 
import javax.swing.JList; 
import javax.swing.JComboBox; 
import javax.swing.SwingConstants; 
import java.awt.Font; 
import javax.swing.JButton; 

public class SoccerEnterPlayer extends JFrame { 

    private JPanel contentPane; 
    private static SoccerEnterPlayer frame; 

    /** 
    * Launch the application. 
    */ 
    public static void main(String[] args) { 
     EventQueue.invokeLater(new Runnable() { 
      public void run() { 
       try { 
        frame = new SoccerEnterPlayer(); 
        frame.setVisible(true); 
       } catch (Exception e) { 
        e.printStackTrace(); 
       } 
      } 
     }); 
    } 

    /** 
    * Create the frame. 
    */ 
    public SoccerEnterPlayer() { 

     String[] genders = { "Male", "Female" }; 
     String[] teamLevel = {"Varsity", "Junior Varsity"}; 
     String[] positions = {"Goalkeeper", "Defender", "Midfielder", "Striker"}; 

     setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 
     setBounds(100, 100, 450, 300); 
     contentPane = new JPanel(); 
     contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); 
     setContentPane(contentPane); 
     contentPane.setLayout(null); 

     JTextArea textArea = new JTextArea(); 
     textArea.setBounds(105, 56, 84, 16); 
     contentPane.add(textArea); 

     JTextArea textArea_1 = new JTextArea(); 
     textArea_1.setBounds(300, 56, 84, 16); 
     contentPane.add(textArea_1); 

     JTextArea textArea_5 = new JTextArea(); 
     textArea_5.setBounds(300, 118, 84, 16); 
     contentPane.add(textArea_5); 

     JTextArea textArea_6 = new JTextArea(); 
     textArea_6.setBounds(105, 177, 84, 16); 
     contentPane.add(textArea_6); 

     JTextArea textArea_7 = new JTextArea(); 
     textArea_7.setBounds(204, 177, 84, 16); 
     contentPane.add(textArea_7); 

     JTextArea textArea_8 = new JTextArea(); 
     textArea_8.setBounds(300, 177, 84, 16); 
     contentPane.add(textArea_8); 

     JLabel lblPlayerNamer = new JLabel("Player Name"); 
     lblPlayerNamer.setHorizontalAlignment(SwingConstants.CENTER); 
     lblPlayerNamer.setBounds(105, 28, 84, 16); 
     contentPane.add(lblPlayerNamer); 

     JLabel lblGender = new JLabel("Gender"); 
     lblGender.setHorizontalAlignment(SwingConstants.CENTER); 
     lblGender.setBounds(204, 28, 84, 16); 
     contentPane.add(lblGender); 

     JLabel lblAge = new JLabel("Age"); 
     lblAge.setHorizontalAlignment(SwingConstants.CENTER); 
     lblAge.setBounds(300, 28, 84, 16); 
     contentPane.add(lblAge); 

     JLabel lblTeamLevel = new JLabel("Team Level"); 
     lblTeamLevel.setHorizontalAlignment(SwingConstants.CENTER); 
     lblTeamLevel.setBounds(105, 90, 84, 16); 
     contentPane.add(lblTeamLevel); 

     JLabel lblPosition = new JLabel("Position"); 
     lblPosition.setHorizontalAlignment(SwingConstants.CENTER); 
     lblPosition.setBounds(204, 90, 84, 16); 
     contentPane.add(lblPosition); 

     JLabel lblOverallShots = new JLabel("Overall Shots"); 
     lblOverallShots.setHorizontalAlignment(SwingConstants.CENTER); 
     lblOverallShots.setBounds(300, 90, 84, 16); 
     contentPane.add(lblOverallShots); 

     JLabel lblShotsOnTarget = new JLabel("Shots on Target"); 
     lblShotsOnTarget.setFont(new Font("Lucida Grande", Font.PLAIN, 13)); 
     lblShotsOnTarget.setHorizontalAlignment(SwingConstants.CENTER); 
     lblShotsOnTarget.setBounds(91, 149, 114, 16); 
     contentPane.add(lblShotsOnTarget); 

     JLabel lblGoals = new JLabel("Goals"); 
     lblGoals.setHorizontalAlignment(SwingConstants.CENTER); 
     lblGoals.setBounds(204, 149, 84, 16); 
     contentPane.add(lblGoals); 

     JLabel lblSaves = new JLabel("Saves"); 
     lblSaves.setHorizontalAlignment(SwingConstants.CENTER); 
     lblSaves.setBounds(300, 149, 84, 16); 
     contentPane.add(lblSaves); 

     JComboBox comboBox = new JComboBox(genders); 
     comboBox.setToolTipText(""); 
     comboBox.setMaximumRowCount(2); 
     comboBox.setSelectedIndex(1); 
     comboBox.setBounds(198, 52, 100, 27); 
     contentPane.add(comboBox); 

     JComboBox comboBox_1 = new JComboBox(teamLevel); 
     comboBox_1.setToolTipText(""); 
     comboBox_1.setSelectedIndex(1); 
     comboBox_1.setMaximumRowCount(2); 
     comboBox_1.setBounds(105, 114, 100, 27); 
     contentPane.add(comboBox_1); 

     JComboBox comboBox_2 = new JComboBox(positions); 
     comboBox_2.setBounds(204, 114, 84, 27); 
     contentPane.add(comboBox_2); 

     JButton btnNewButton = new JButton("Submit"); 
     btnNewButton.setBounds(300, 221, 117, 29); 
     contentPane.add(btnNewButton); 
     btnNewButton.addActionListener(e->{ 
      Soccer team = new Soccer(); 
      team.addPlayers(textArea.getText(), comboBox.getSelectedItem().toString(), Integer.parseInt(textArea_1.getText()), comboBox_1.getSelectedItem().toString(), comboBox_2.getSelectedItem().toString(), Integer.parseInt(textArea_5.getText()), Integer.parseInt(textArea_6.getText()), Integer.parseInt(textArea_7.getText()), Integer.parseInt(textArea_8.getText())); 
      new SoccerFrame(); 
      frame.dispose(); 
     }); 

     } 
}

來源

2017-03-09 MoustafaSheha

問題在這裏需要顯示可能的最小代碼展示問題，他們需要包含一個特定的問題故障。「不工作」是不夠的。 – halfer

您遍歷一個空列表：

ArrayList<SoccerPlayer> manchester = ArrayList(); 
Object rowData[] = new Object [9]; 
for(int i = 0; i < manchester.size(); i++) 
{ 
    ... 
}

manchester.size()爲0

你有你的數據在第一次添加到列表manchaster。像：

ArrayList<SoccerPlayer> manchester = ArrayList(); 
manchaster.add(new SoccerPlayer("Tom", "male", ....)); 

Object rowData[] = new Object [9]; 
for(int i = 0; i < manchester.size(); i++) 
{ 
    ... 
}

來源

2017-03-09 11:40:05 Schlangguru

有沒有辦法讓manchester arraylist =這個數組列表： – MoustafaSheha

足球隊=新足球（）; team.addPlayers（textArea.getText（），comboBox.getSelectedItem（）。的toString（），的Integer.parseInt（textArea_1.getText（）），comboBox_1.getSelectedItem（）。的toString（），comboBox_2.getSelectedItem（）。的toString（），的Integer.parseInt（textArea_5.getText（）），的Integer.parseInt（textArea_6.getText（）），的Integer.parseInt（textArea_7.getText（）），的Integer.parseInt（textArea_8.getText（）））; new SoccerFrame（）; frame.dispose（）; – MoustafaSheha

....可以請你回答這個問題^^^ – MoustafaSheha

試圖用arraylist填充jtable，但不工作

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