9. Because today's computers are very fast, you will probably not notice any discernible difference on the screen between the code and JFrame myWindow; myWindow = new JFrame(); myWindow.setVisible(true); JFrame myWindow; myWindow = new JFrame(); myWindow.setVisible(true); myWindow.setVisible(false); myWindow.setVisible(true); One way to see the disappearance and reappearance of the window is to put a delay between the successive setVisible messages. Here's the magic code that puts a delay of 0.5 s: try {Thread.sleep(500);} catch(Exception e) {} The argument we pass to the sleep method specifies the amount of delay in milliseconds [note: 1000 milliseconds (ms) _ 1 second (s)]. We will not explain this magic code.
9. Because today's computers are very fast, you will probably not notice any discernible difference on the screen between the code and JFrame myWindow; myWindow = new JFrame(); myWindow.setVisible(true); JFrame myWindow; myWindow = new JFrame(); myWindow.setVisible(true); myWindow.setVisible(false); myWindow.setVisible(true); One way to see the disappearance and reappearance of the window is to put a delay between the successive setVisible messages. Here's the magic code that puts a delay of 0.5 s: try {Thread.sleep(500);} catch(Exception e) {} The argument we pass to the sleep method specifies the amount of delay in milliseconds [note: 1000 milliseconds (ms) _ 1 second (s)]. We will not explain this magic code.
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
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Java
![9. Because today's computers are very fast, you will probably not notice any discernible
difference on the screen between the code
and
JFrame myWindow;
myWindow = new JFrame();
myWindow.setVisible(true);
JFrame myWindow;
myWindow = new JFrame();
myWindow.setVisible(true);
myWindow.setVisible(false);
myWindow.setVisible(true);
One way to see the disappearance and reappearance of the window is to put a delay
between the successive setVisible messages. Here's the magic code that puts a delay of
0.5 s:
try {Thread.sleep(500);} catch (Exception e) {}
The argument we pass to the sleep method specifies the amount of delay in milliseconds
[note: 1000 milliseconds (ms) _ 1 second (s)]. We will not explain this magic code.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7136ecc7-9583-4be6-8921-da11972cb789%2F59028b2d-184d-4d24-a97b-085ac134ca1f%2F2zrbsm_processed.png&w=3840&q=75)
Transcribed Image Text:9. Because today's computers are very fast, you will probably not notice any discernible
difference on the screen between the code
and
JFrame myWindow;
myWindow = new JFrame();
myWindow.setVisible(true);
JFrame myWindow;
myWindow = new JFrame();
myWindow.setVisible(true);
myWindow.setVisible(false);
myWindow.setVisible(true);
One way to see the disappearance and reappearance of the window is to put a delay
between the successive setVisible messages. Here's the magic code that puts a delay of
0.5 s:
try {Thread.sleep(500);} catch (Exception e) {}
The argument we pass to the sleep method specifies the amount of delay in milliseconds
[note: 1000 milliseconds (ms) _ 1 second (s)]. We will not explain this magic code.
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