小编Ale*_*xSS的帖子

这是班贵.

import java.awt.BorderLayout;
import javax.swing.*;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.beans.PropertyChangeListener;
import javax.swing.JButton;

public class Gui extends JFrame{
    Principal obiect;
    public JButton heads = new JButton("Heads");
    public JButton tails = new JButton("Tails");
    public static JTextField display;
    public JTextField comboul;
    public JPanel panel = new JPanel();
    public int predictie;


    public Gui(){
        super("HeadsOrTails");
        panel.setLayout(new BorderLayout(100, 100));
        panel.add(heads,BorderLayout.LINE_START);
        panel.add(tails,BorderLayout.LINE_END);
        panel.add(display,BorderLayout.CENTER); //HERE IS ERROR
        panel.add(comboul,BorderLayout.PAGE_START);
    }


    public void dacaHeads(){
        if(heads.getModel().isPressed()) predictie = 0;
    }
    public void dacaTails(){
        if(tails.getModel().isPressed()) predictie = 1;



        heads.addActionListener(new ActionListener() { …

我想显示一个字符串数组,在这些字之间有空格,如下所示:

一二三

我试过这个:

Display.setText(""+ swappedString);

但如果我这样做,第一个词就会有空格.我不想要那个空间.