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)