import javax.swing.*;
import java.awt.*;
public class JFrame {
public static void main(String[] args) {
JFrame myFrame = new JFrame();
myFrame.setTitle("JFrame Window");
myFrame.setSize(400, 200);
myFrame.setLocation(200, 300);
myFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
myFrame.setVisible(true);
}
}
Exception in thread "main" java.lang.Error: Unresolved compilation problems:
The method setTitle(String) is undefined for the type JFrame
The method setSize(int, int) is undefined for the type JFrame
The method setLocation(int, int) is undefined for the type JFrame
EXIT_ON_CLOSE cannot be resolved or is not a field
The method setVisible(boolean) is undefined for the type JFrame
at JFrame.main(JFrame.java:8)