Java needs to be installed

Java needs to be installed

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Does Java need to be installed?

While most modern Java applications combine the Java runtime and application together, there are still many applications and even some websites that will not function unless you have a desktop Java installed.

Do I really need Java on Windows 10?

You only need Java if an app requires it. The app will prompt you. So, yes, you can uninstall it and it’s likely safer if you do.

How to run Java without installation?

No. If the computer doesn’t have a Java runtime installed, then no Java code can run. You would need to create a «bootstrapper» application in a low-level language like C. And you would almost certainly need a different bootstrapper for each OS you wanted to support.

Is it okay to uninstall Java?

Every time a vulnerability in Java is found, security experts usually issue advisories that recommend uninstalling Java. To be fair, no software is completely secure. Everything from antiviruses, office suites, PDF readers and web browsers have vulnerabilities that hackers can exploit to spread malware.

Why would I need Java on my computer?

Java is used to run programming scripts. If you are trying to design a webpage that will use some advanced java script then you will need Java on your computer.

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Does Windows 10 have Java installed?

Is Java supported in Windows 10? Yes, Java was certified on Windows 10 starting with Java 8 Update 51.

Should I uninstall Java Windows?

Keeping old versions of Java on your system presents a serious security risk. Uninstalling older versions of Java from your system ensures that Java applications will run with the latest security and performance improvements on your system.

What happens if you disable Java?

However, if you do need the Java runtime, you can disable the Java plug-in in your browser – Java will still be available for desktop applications to use, but websites won’t be able to access it.

What if I delete Java from my PC?

Removing all versions of Java might cause some applications to stop working. We would recommend installing an up-to-date JRE to run Java applications and contacting the application vendor if some application will not run with the most current version.

What programs on my computer use Java?

Many software tools used for development are written in Java. For example, IDEs like Eclipse, IntelliJ IDEA, and Net beans are all written and developed in Java. These are also the most popular desktop GUI-based tools used today.

Can we run Java program without installing Java?

We can run the compiled byte code on any computer with the Java runtime environment installed on it. The runtime environment consists of a virtual machine and its supporting code. Usually, when you only care about running Java programs on your browser or computer you will only install JRE. It’s all you need.

Where is Java installed on Windows 10?

1. Click the Start button.
2. Scroll through the applications and programs listed until you see the Java folder.
3. Click on the Java folder, then About Java to see the Java version.

How to use Java in Windows 10?

1. Launch the Windows Start menu.
2. Click on Programs (All Apps on Windows 10)
3. Find the Java program listing.
4. Click Configure Java to launch the Java Control Panel.

Does Chrome use Java?

How do I know if Java is installed?

Select Start -> Control Panel -> Add/Remove Programs, Here you can see the list of installed software on your computer. The list is displayed in alphabetical order. Check if Java name is listed in the installed software list.

Why is Java being removed?

To address security vulnerabilities, Java Runtime Environment (JRE) is planned to be removed from all ITS Windows managed computers that do not require Java technology to operate Yale authorized applications and tools.

Why does Java want to be uninstalled?

So why does Java prompt users to uninstall it? All software contains bugs and vulnerabilities, so one method to limit the number of ways your computer can be attacked is to reduce the amount of software running on it. This is reducing the ‘attack surface’ of the device.

Can I delete Java Windows 10?

Select the Control Panel. When the Control Panel appears, choose Uninstall a Program from the Programs category. Select the program to uninstall, and then right-click and select Uninstall or you can click the Uninstall option located at the top of the programs list. Click Yes to confirm the program uninstall.

Do you need to install Java on Windows?

If you want to run any Java program on your Windows PC, you won’t be able to do it without installing the Java Development Kit (JDK for short). The JDK also contains the Java Runtime Environment (or JRE) which is the core of a Java program.

Does installing Java slow down your computer?

Installing Java itself does not make your computer slower. However, if you have an older computer or a computer with limited resources, running Java applications or software that requires Java may slow down your computer.

Will downloading Java affect my computer?

Note that Java downloads that are available from other websites may not contain fixes for bugs and security issues. Downloading unofficial versions of Java will make your computer more vulnerable to viruses and other malicious attacks.

Should I still update Java on my computer?

Each version has security issues; the older the version, the more holes it has. And Oracle will no longer patch those. Companies that don’t update Java will be more vulnerable to data leakage and other security weaknesses. The number of security and performance issues that are fixed regularly is vast.

What is the difference between Java and Windows 10?

While Java is a classic PC experience full of details and mods, in the Windows 10 version, you have the opportunity to play with players from other platforms. Nothing prevents you from playing with Xbox or Android users using a PC. Meanwhile, Java allows only other PC users to play together.

Is Java needed for Windows 11?

Yes, Java SE version 16.01 and later is fully compatible with Windows 11 and with few easy steps, you can install the Java on Windows 11. Java is one of the widely used programming languages, and many applications available today are written in Java.

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FIX: To use the java command-line tool you need to install a JDK (MAC OS X)

The following pop up message is displayed randomly on a Macbook Pro: «To use the java command line tool you need to install a JDK. Click «More info…» to visit the Java Developer kit download website».

The error is received because an installed application needs Java to run properly, but in newer versions of OS X, the Java support has been removed for security reasons.

This tutorial contains instructions to fix the following problem on MAC OS X: «To use the «java» command-line tool you need to install a JDK»

How to FIX: JAVA command line tools needs JDK (Mac OS X).

Step 1. Delete «facebook.videochat.xxx.plist file

1. Using Finder click Go to Folder
2. At the search box type: ~/Library/LaunchAgents/

3. Right-click at the «com.facebook.videochat.USERNAME.plist»* and select Move to Trash *

* Note: If you cannot find the «com.facebook.videochat.USERNAME.plist» file then continue to the next step.

4. Then Empty Trash.
5. Restart you MAC and your problem should be gone. *

* Note: If the problems persists then continue to the next step.

Step 2. Download and install JAVA.

1. Download JAVA from the following website:

2. When the download is completed, open the .dmg file and install Java 6 runtime for MAC OS X.

3. When the installation is completed, restart your MAC.

That’s it! Let me know if this guide has helped you by leaving your comment about your experience. Please like and share this guide to help others.

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17 Comments

Thank you!! The pop up was absolutely doing my head in. It was relentless, your fix worked perfectly:)

I don’t find the facebook thing in LaunchAgents, but I still get the popup. I just installed Catalina, and it reappeared (I’d got rid of it some months back) again. Can anyone help? TIA.

Bob, did you find a fix? I just installed Catalina and am having the same problem. I downloaded Java for macOS 2017-001 but when I tried to install it says that it is unable since a newer version of this package has already been installed. Frustrating!

Hello I can’t thank you enough, this worked for me. Finally!! ( iMac:Retina 5K, 27″, 2017, High Sierra 10.13.6)

Wow had this issue for years and tried a number of things… it was never java that was the problem it was the facebook file wow. gat dayum thank you so much

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