import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
class MyFrame extends JFrame{
double a;
double b;
double c;
double d;
int ee;
double f;
double g;
double m;
double n;
double o;
double h;
static double x;
static int y;
double z;
String s1;
String s2;
JFrame jf=new JFrame("Counter");
// JPanel jp1=new JPanel();
JPanel jp2=new JPanel();
JPanel jp3=new JPanel();
JPanel jp4=new JPanel();
JPanel jp5=new JPanel();
JPanel jp6=new JPanel();
JPanel jp7=new JPanel();
JPanel jp8=new JPanel();
JPanel jp10=new JPanel();
JPanel jp11=new JPanel();
JPanel jp12=new JPanel();
JLabel jl1=new JLabel("计算器");
JLabel jl2=new JLabel("房屋单价(元/平):");
JLabel jl3=new JLabel("房屋面积(平方):");
JLabel jl4=new JLabel("首付金额(元):");
JLabel jl5=new JLabel("年利率(万分之):");
JLabel jl6=new JLabel("月还款额(元):");
JLabel jl7=new JLabel("总还款额(元):");
JLabel jl10=new JLabel("还款年限(年):");
JLabel jl11=new JLabel("本金(元):");
JLabel jl12=new JLabel("利息(元):");
JTextField jt1=new JTextField("",10);
JTextField jt2=new JTextField("",10);
JTextField jt3=new JTextField("",10);
JTextField jt4=new JTextField("",10);
JTextField jt5=new JTextField("0",15);
JTextField jt6=new JTextField("0",15);
JTextField jt10=new JTextField("",10);
JTextField jt11=new JTextField("0",15);
JTextField jt12=new JTextField("0",15);
JButton b1=new JButton("计算");
JButton b2=new JButton("清空");