Java Jlabel setText - jlabel

Question

I am a java beginner, i used eclipse to make a gridbaglayout:
import java.awt.EventQueue;
import javax.swing.JFrame;
import java.awt.GridBagLayout;
import javax.swing.JLabel;
import java.awt.GridBagConstraints;
public class test4 {
public static JFrame frame;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
test4 window = new test4();
window.frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the application.
*/
public test4() {
initialize();
}
/**
* Initialize the contents of the frame.
* #return
*/
public static void initialize() {
frame = new JFrame();
frame.setBounds(100, 100, 137, 89);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
GridBagLayout gridBagLayout = new GridBagLayout();
gridBagLayout.columnWidths = new int[]{0, 0};
gridBagLayout.rowHeights = new int[]{0, 0};
gridBagLayout.columnWeights = new double[]{0.0, Double.MIN_VALUE};
gridBagLayout.rowWeights = new double[]{0.0, Double.MIN_VALUE};
frame.getContentPane().setLayout(gridBagLayout);
JLabel lblNewLabel = new JLabel("Label");
GridBagConstraints gbc_lblNewLabel = new GridBagConstraints();
gbc_lblNewLabel.gridx = 0;
gbc_lblNewLabel.gridy = 0;
frame.getContentPane().add(lblNewLabel, gbc_lblNewLabel);
}
}
i want to use {lblNewLabel.setText("test");} in {public static void main(String[] args) } or in {private static set(){lblNewLabel.setText("test");}} but it did not work. What should i do? Thanks for any help.

Answer 1

public class MyNiceApplication {
private Label niceLabel;
void initialize(){...} //Frame init...
public void setNiceLabelText(String text){
niceLabel.setText(text);
}
}
public static void main(String[] args) {
MyNiceApplication app = new MyNiceApplication();
app.setNiceLabelText("New LabelText");
}