在 Swing 中將 JLabel 居中

package delftstack;

import java.awt.GridBagLayout;
import javax.swing.BorderFactory;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextArea;
import javax.swing.WindowConstants;
public class Center_Jlabel {
  public static void main(String[] args) {
    JFrame J_Frame = new JFrame("Center Frame");
    JPanel J_Panel = new JPanel();
    JLabel J_Label = new JLabel("Centered Label for Name Field: ");
    JTextArea text = new JTextArea();
    text.setText("Add Name");
    J_Panel.setLayout(new GridBagLayout());
    J_Panel.add(J_Label);
    J_Panel.add(text);
    J_Panel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
    J_Frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
    J_Frame.add(J_Panel);
    J_Frame.setSize(700, 300);
    J_Frame.setVisible(true);
  }
}