don’t understand what is wrong
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
Related questions
Question
I don’t understand what is wrong
![{
//Code To popup an ERROR_MESSAGE Dialog
JOptionPane.showMessageDialog (null,
"A error has occurred.",
21
22
23
24
25
"ERROR",
26
JOptionPane.ERROR_MESSAGE);
27
28
29
30
class Main {
31
32
public static void main(String args[])
33
34
Demo1 f = new Demo1();
f.setBounds(200, 200, 400, 300);
f.setResizeable(false);
f.setVisible (true);
}
35
36
37
38
39
40](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe51a798f-093e-4e29-b30f-6daf58a6b939%2Fabd571b7-53ff-43e6-8f1a-c46995c42841%2Fh26r5kn_processed.jpeg&w=3840&q=75)
Transcribed Image Text:{
//Code To popup an ERROR_MESSAGE Dialog
JOptionPane.showMessageDialog (null,
"A error has occurred.",
21
22
23
24
25
"ERROR",
26
JOptionPane.ERROR_MESSAGE);
27
28
29
30
class Main {
31
32
public static void main(String args[])
33
34
Demo1 f = new Demo1();
f.setBounds(200, 200, 400, 300);
f.setResizeable(false);
f.setVisible (true);
}
35
36
37
38
39
40
Transcribed Image Text:import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
1
class Demo1 extends JFrame implements
ActionListener
8.
this.setLayout(null);
9.
10
b1 = new JButton("Buttons 1");
11
12
b1.setbounds(130,05,100, 50);
13
14
this.add(b1);
15
16
b1.addActionListener (this);
}
public void actionPerformed (ActionEvent
evt)
{
if (evt.getSource()
17
18
%24
19
20
b1)
H23 45
67
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 2 steps
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Recommended textbooks for you
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
Database System Concepts
Computer Science
ISBN:
9780078022159
Author:
Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:
McGraw-Hill Education
Starting Out with Python (4th Edition)
Computer Science
ISBN:
9780134444321
Author:
Tony Gaddis
Publisher:
PEARSON
Digital Fundamentals (11th Edition)
Computer Science
ISBN:
9780132737968
Author:
Thomas L. Floyd
Publisher:
PEARSON
C How to Program (8th Edition)
Computer Science
ISBN:
9780133976892
Author:
Paul J. Deitel, Harvey Deitel
Publisher:
PEARSON
Database Systems: Design, Implementation, & Manag…
Computer Science
ISBN:
9781337627900
Author:
Carlos Coronel, Steven Morris
Publisher:
Cengage Learning
Programmable Logic Controllers
Computer Science
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education