小编mor*_*ist的帖子

所以我正在为一个班级的项目工作,因为我正在努力学习这个叫做Java的可爱的东西.好吧无论如何我试图在我的JPanel中的TextArea中打印出一些方法.

import java.awt.*;

import javax.swing.*;

import java.awt.event.*;



public class GUI_Amortization_Calculator extends JFrame {

private JPanel contentPane;
private JTextField textLoanAmount;
private JTextField textYears;
private JTextField textInterestRate;
TextArea calculation;
/**
 * @wbp.nonvisual location=71,9
 */
/**
 * Launch the application.
 */
public static void main(String[] args) {
    EventQueue.invokeLater(new Runnable() {
        public void run() {
            try {
                GUI_Amortization_Calculator frame = new GUI_Amortization_Calculator();
                frame.setVisible(true);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    });
}

/**
 * Create the frame.
 */
public GUI_Amortization_Calculator() {
    setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    setBounds(100, …