import javax.swing.JOptionPane;public class Investment {    public static void main(String[] args){        double value;        String input = JOptionPane.showInputDialog(null,"请输入投资金额：","对话框",JOptionPane.QUESTION_MESSAGE);        String input1 = JOptionPane.showInputDialog(null,"请输入年利率：","对话框",JOptionPane.QUESTION_MESSAGE);        String input2 = JOptionPane.showInputDialog(null,"请输入投资年数：","对话框",JOptionPane.QUESTION_MESSAGE);        double investmen = Double.parseDouble(input);        double rate = Double.parseDouble(input1);        double year = Double.parseDouble(input2);        value = investmen * (Math.pow((1 + rate / 100),(year)));        JOptionPane.showMessageDialog(null, value);    }}