Java: read what keys are being pressed in other windows [duplicate] - java

This question already has answers here:
Global keylogger in Java
(3 answers)
Closed 8 years ago.
Is it possible to have a Java program read the keyboard buttons pressed all the time, even when I'm typing in notepad or chrome?
If so, how would I do this?

You cannot do that in plain JAVA. you would need to hook up with JNI. you need to listen to the keyboard from the OS level.

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How to clear screen in java [duplicate]

This question already has answers here:
Clearing console in Intellij-idea
(4 answers)
How to clear the console?
(14 answers)
Closed 2 years ago.
I want to know that how can I clear console screen in java.
The IDE I am using is IntelliJ IDEA.
For example: In C language we use to write: clrscr();
That is not possible in IntelliJ as the console is not a real terminal.
There are however different console plugins where this is possible. One of which is the Grep Console.

How to use screen as input in Java [duplicate]

This question already has answers here:
Is there a way to take a screenshot using Java and save it to some sort of image?
(8 answers)
How to take a screenshot in Java? [duplicate]
(2 answers)
Closed 8 years ago.
I want to be able get an image or bufferedImage of my current screen in my java program. Is this possible? Thanks in advance!
Do you want to use the current screenshot in your Java application? First write code to capture the screenshot and then use it in the application.
I found this tutorial useful:
https://www.daniweb.com/software-development/java/code/216988/java-code-to-capture-your-screen-as-image

Prohibit the mobile Internet in the background "Android" [duplicate]

This question already has answers here:
Closed 10 years ago.
Possible Duplicate:
How to disable Mobile Data on Android
I'm sorry for my English, I use a translator.
In the android menu, you can turn off mobile data in the background. How can I do this using code?
You as a programmer are responsible for the behaviour of your program, so if you don't want that your program uses data when in the background:
Test for it.
When in background, don't make call's.

Check if screensaver is active [duplicate]

This question already has answers here:
Closed 11 years ago.
Possible Duplicate:
How to determine if a screensaver is running in Java?
is there any way you can find out if the screensaver is active with java? I've searched the web but the only things I found was very complicated native code... My program is made for windows only.
Java cannot handle system tasks directly.
You should use JNI (Java Native Interface) or JNA (Java Native Access) to do it.
I haven't tried this code, but they claim to answer your question with JNA as Ammar suggested: Screen Saver State.

Eject CD using Java [duplicate]

This question already has answers here:
How Do I Eject a Volume in Java?
(2 answers)
Closed 3 years ago.
Is there any simple way to eject the D drive in Windows 7 using Java? I don't particularly care about cross-platform compatibility at the moment. I've done some research andRuntime.getRuntime().exec(); has shown up most... but I have no idea what to put as the string parameter, I've tried a few things but it just throws up on me!
You can pass the vbscript code to eject the cd as an argument in the exec() function.

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