如何使用单个JOptionPane.showMessageDialog()语句显示多个输出？

import javax.swing.JOptionPane;

public class MultipleOutputs {
    public static void main(String[] args) {
        String output1 = "这是第一个输出";
        String output2 = "这是第二个输出";
        String output3 = "这是第三个输出";

        String combinedOutput = output1 + "\n" + output2 + "\n" + output3;

        JOptionPane.showMessageDialog(null, combinedOutput, "多个输出示例", JOptionPane.INFORMATION_MESSAGE);
    }
}