问Java中的PostFix押韵词查找器，功能和数据结构缺失

EN

package hamqafia;

import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javafx.scene.text.Text;
import javax.swing.JButton;
import javax.swing.JFrame;
import static javax.swing.JFrame.EXIT_ON_CLOSE;
import javax.swing.JTextField;

/**
 *
 * @author Zeeshan
 */
public class HamQafia {
    private static JTextField text;
    private static JFrame frame;
    private static JButton findBtn;
    DataStructure Dictionary_of_all_words;


    public static void main(String[] args) {
        // TODO code application logic here

        //String[] words = {"Runner, Stealth, Gunner, male, Butter, Old, sar, gold"};


        windowMaker();

    }

    private static void windowMaker(){
        //Initializing and painting GUI components
        frame = new JFrame();
        text = new JTextField(20);

        findBtn = new JButton("Find");
        findBtn.setSize(200,200);
        findBtn.setVisible(true);

        frame.setSize(600, 600);
        frame.setLayout(new FlowLayout());
        frame.setVisible(true);
        frame.setDefaultCloseOperation(EXIT_ON_CLOSE);


        frame.add(text);
        frame.add(findBtn);


        //Click Action
        findBtn.addActionListener(new ActionListener(){
            public void actionPerformed(ActionEvent e){
            String postFix = text.getText().toString();
            finder(postFix);
            }


        });
    }

    private static void finder(String postFix){
        //Find method to search the words from entire dictionary an show them in the list. 
        // For example:
        // postFix = ry
        //Output: cry, fry, try, dry
    }

}