import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
public class MainWindow {
private JFrame frame;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
MainWindow window = new MainWindow();
window.frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the application.
*/
public MainWindow() {
initialize();
}
/**
* Initialize the contents of the frame.
*/
private void initialize() {
frame = new JFrame();
frame.setBounds(100, 100, 450, 300);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel panel = new JPanel();
frame.getContentPane().add(panel, BorderLayout.CENTER);
panel.setLayout(new GridLayout(4, 6, 0, 0));
public static void main(String[] args) throws FileNotFoundException {
Scanner scanner = new Scanner(new File("/Users/Patrick/Desktop/voorbeeld.csv"));
scanner.useDelimiter(",");
while(scanner.hasNext()){
JTextField field = new JTextField();
field.setText(scanner.next()+"|");
panel.add(field);
}
scanner.close();
}
}
}
我正在尝试让它工作,但它不起作用,public static void main(String[] args)
有问题
找出我犯的错误真的很重要。有谁知道问题是什么?
问题是初始化方法中有第二个public static void main(String[] args)
。你不能那样做。将第二个main
方法中的代码放入第一个方法中。更不用说,你不能在另一个方法主体中实现方法,只能在类主体中实现。