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Tips & Tricks |
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1.Opening, writing, saving notepad
automatically with Robot class in Java
Java provides a lot of fun while programming.
This article shows you how to use
Java.awt.Robot class that is both useful and
fun. Robot class is used to take the control of
mouse and keyboard, which lets you do any
mouse and keyboard related operation
through java code for the purposes of test
automation, self-running demos.
The sample code given below demonstrates
handling of the keyboard events. When this
program is run, it does a series of events
automatically. It opens notepad and types “javajazzup” in it and saves this file as
“robo.txt” automatically.
RobotExample.java
import java.awt.AWTException;
import java.awt.Robot;
import java.awt.event.KeyEvent;
public class RobotExample {
//Store Keystrokes in an array for the
content in notepad
static int keyInputForNotepadContent[] =
{KeyEvent.VK_J,KeyEvent.VK_A,
KeyEvent.VK_V,KeyEvent.VK_A,KeyEvent.VK_J
,KeyEvent.VK_A,KeyEvent.VK_Z,
KeyEvent.VK_Z,KeyEvent.VK_U,KeyEvent.VK_P};
//Store Keystrokes in an array to give
name of the notepad
static int keyInputForNotepadName[] =
{KeyEvent.VK_R,KeyEvent.VK_O,
KeyEvent.VK_B,KeyEvent.VK_O,
KeyEvent.VK_DECIMAL,KeyEvent.VK_T,
KeyEvent.VK_X,KeyEvent.VK_T};
public static void main(String[] args) {
try {
Robot robot = new Robot();
//Press keys Ctrl+Esc and then key R to
open “run” program.
robot.keyPress(KeyEvent.VK_CONTROL);
robot.keyPress(KeyEvent.VK_ESCAPE);
robot.keyRelease(KeyEvent.VK_CONTROL);
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robot.keyRelease(KeyEvent.VK_ESCAPE);
robot.keyPress(KeyEvent.VK_R);
//Type NOTEPAD in run program and
press ENTER ket to open a notepad.
robot.keyPress(KeyEvent.VK_N);
robot.keyPress(KeyEvent.VK_O);
robot.keyPress(KeyEvent.VK_T);
robot.keyPress(KeyEvent.VK_E);
robot.keyPress(KeyEvent.VK_P);
robot.keyPress(KeyEvent.VK_A);
robot.keyPress(KeyEvent.VK_D);
robot.keyPress(KeyEvent.VK_ENTER);
robot.delay(1000);
// Creates the delay of 1 sec
//Press keys of characters to write on
the notepad.
for (int i = 0; i <
keyInputForNotepadContent.length; i++){
robot.keyPress(keyInputForNotepadContent[i]);
robot.delay(500);
}
robot.delay(1000);
// Press keys ALT+F+S to save the file
robot.keyPress(KeyEvent.VK_ALT);
robot.keyPress(KeyEvent.VK_F);
robot.keyPress(KeyEvent.VK_S);
robot.keyRelease(KeyEvent.VK_ALT);
robot.delay(500);
//Press keys of characters to write the name
of notepad.
for (int i = 0; i <
keyInputForNotepadName.length; i++){
robot.keyPress(keyInputForNotepadName[i]);
robot.delay(500);
}
robot.keyPress(KeyEvent.VK_ENTER);
// Replace the file if it already exists.
robot.keyPress(KeyEvent.VK_ALT);
robot.keyPress(KeyEvent.VK_Y);
robot.keyRelease(KeyEvent.VK_ALT);
}
catch (AWTException e) {
e.printStackTrace();
}
}
}
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Dec 2007 | Java Jazz Up | 70 |
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