Super User Stack Exchange
Super User Stack Exchange

Questions tagged [java]

Widely-used object-oriented programming language, emphasizing portability. Questions about programming with Java are off topic and should be asked on stackoverflow.com.

Usage of this tag should be limited to questions about the Java Runtime, programs that use it, or software used to develop for Java. Any questions about Java as a language should be asked on Stack Overflow.

Programming language originally developed by James Gosling at Sun Microsystems. Related to and .

2353 questions
230
votes
8 answers

How can I prevent Ask.com Toolbar from being installed every time Java is updated?

As many are painfully aware of, Oracle continues to not only bundle the Java installation with the useless Internet browser toolbar from Ask.com, but also enable its installation by default. In addition to the toolbar, Ask also replaces your…
abstrask
  • 4,849
  • 5
  • 26
  • 34
160
votes
6 answers

Disable Java Plugin in Google Chrome?

This is the second time I've had a drive-by executable installed on my machine using the following: Google Chrome 6 (latest) Windows 7, UAC on This happened while I was browsing for images to add to a gaming.se post; one of the sites I visited (to…
Jeff Atwood
  • 23,972
  • 30
  • 99
  • 120
134
votes
6 answers

What should I do about com.apple.quarantine?

I've downloaded some .jar files from the internet and want to use them under Mac OS X. But the OS seems to have tagged them with the extended attribute com.apple.quarantine (no indication of this until I noticed the "@" in the ls -l and figured out…
Jason S
  • 7,503
  • 16
  • 60
  • 79
114
votes
10 answers

How to stop jucheck from running? Java won't remember "Check for Updates Automatically" setting

I've installed Java on Windows Vista, and every day I get a Vista security warning asking me if I want to run "jucheck". Apparently this is the Java automatic updater. Well, I don't want it to run on its own, ever. I cancel it, and quit it. I…
Ken
  • 2,909
  • 7
  • 25
  • 28
112
votes
9 answers

How do I run Java apps upscaled on a high-DPI display?

I'm trying to run a Java app (JAR file) on a high-DPI display on Windows 10. The app uses Swing and thus isn't DPI-aware. Normally when I run an application that isn't DPI-aware, Windows will scale it for me, albeit blurry. But for some reason it's…
Jeff
  • 1,270
  • 3
  • 10
  • 12
100
votes
3 answers

How do I install the Sun/Oracle Java SDK on Ubuntu?

Since 11.10 Ubuntu does not provide the sun-java-jdk, how do I install it?
Rodja
  • 1,167
  • 4
  • 10
  • 9
85
votes
2 answers

How do I get Java support on Google Chrome in Linux?

Is there a way to run Linux Google Chrome with Java support?
jldupont
  • 6,604
  • 14
  • 38
  • 47
84
votes
10 answers

How do I switch between Java 7 and Java 6 on OS X 10.8.2?

I am using Java SE 7 to program simple games for windows and mac, but I have to switch to java 6 to run games such as Minecraft on my computer. This used to work just fine before I updated to Mac OS X 10.8.2 Build 12C60. Before this update I used…
Nikita Jerschow
  • 943
  • 1
  • 7
  • 6
75
votes
5 answers

What is command to see all java versions installed on linux?

I know about java -version. I don't care what version I'm currently running. I care what other versions are installed on my linux box. If it's another java -* command I didn't see it in the java -help. I've tried googling it but the answers are…
wheaties
  • 853
  • 1
  • 6
  • 6
55
votes
6 answers

Enable TLS 1.1 and 1.2 for Clients on Java 7

Java 7 disables TLS 1.1 and 1.2 for clients. From Java Cryptography Architecture Oracle Providers Documentation: Although SunJSSE in the Java SE 7 release supports TLS 1.1 and TLS 1.2, neither version is enabled by default for client connections.…
jww
  • 11,918
  • 44
  • 119
  • 208
50
votes
2 answers

How to force Java to use IPv4 instead IPv6?

My Java browser plug-in is no longer working. When I open a page that has a Java element, Java cannot connect to the server. After investigation, I found that Java was trying to use IPv6, while my network does not support IPv6, so Java always fails…
nyongrand
  • 676
  • 1
  • 6
  • 11
47
votes
5 answers

Can you configure Windows to open JAR files like ZIP files without a 3rd party tool?

I'd like to be able to examine the contents of a JAR file without having to install Winzip or some other tool and without having to rename the file. Windows Explorer can open ZIP files just fine; is there some registry setting I can use to let it…
jodonnell
  • 605
  • 1
  • 5
  • 6
44
votes
2 answers

Which trusted root certificates are included in Java?

Which trusted root certificates are included in Java, specifically Sun Java and IBM Java? How can I get the list myself? Does Java on Windows use certificates from operating system?
Peter Štibraný
  • 1,381
  • 2
  • 17
  • 21
42
votes
6 answers

Can I permanently prevent Java security updates from installing Yahoo Toolbar?

Each time I get a Java security update, I have to remember to untick the box to install the yahoo toolbar browser plugin that they've decided, for some mad reason, is an important security feature of Java. Is there a way to get it to remember my…
Simon
  • 514
  • 4
  • 12
39
votes
3 answers

Why is the Java plugin (JRE) disabled in Chrome?

Why is the Java plugin (JRE) is disabled in Chrome? It is some security concern? From official Java website: Chrome no longer supports NPAPI (technology required for Java applets) The Java plug-in for web browsers relies on the cross platform…
Michał Kuliński
  • 481
  • 1
  • 6
  • 10
1
2 3
…
99 100