
What is the difference between default-jdk, ecj, gcj and openjdk?
gcj-4.6-jdk (gcj-4.7-jdk is the same but for Java 7) This is a frontend to the GCC compiler to natively compile Java bytecode and source files. GCJ is a front end to the GCC compiler which can natively compile both Java(tm) source and bytecode files. The …
installation - How can I install gcj on Linux? - Super User
2009年12月8日 · How can I install gcj? Do I need to recompile gcc? I have a system with gcc (GCC) 3.4.6 20060404 (Red Hat 3.4.6-3) and another with gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-44) Running gcj on both systems gives "command not found" message. Update: One of my system responded to yum command (It is a CentOS disto) but gives:
apt - How to install gcj? - Ask Ubuntu
How to install gcj? [closed] Ask Question Asked 13 years, 5 months ago. Modified 12 years, 2 months ago.
java - How to uninstall OpenJDK? - Ask Ubuntu
Done Package 'gcj-4.7-base' is not installed, so not removed Package 'gcj-4.7-jre' is not installed, so not removed Package 'openjdk-6-jre-headless' is not installed, so not removed The following packages will be REMOVED: default-jre* icedtea-7-plugin* icedtea-netx* libatk-wrapper-java* libatk-wrapper-java-jni* libreoffice-base* minecraft ...
How to install gcj on Ubuntu 16.04
2019年1月18日 · gcj is provided by gcj-jdk, gcj-4.8-jdk, gcj-4.9-jdk, gcj-5-jdk and gcc-snapshot in Ubuntu 16.04. Before you try to install any of these packages, run the following command to show what version(s) of gcc you have installed on your system. apt-cache policy gcc …
macos - How do I install GCJ on OSX - Super User
I've looked at the gcj page and though there's downloads links they're only for downloading gcc, and with the apple version of gcc there is no gcj included: $ gcc --version Configured with: --pref...
apt-get install openjdk-7-jdk doesn't install javac. Why?
Here's what I did. It worked. First I installed the jdk for Java 7 like this: sudo apt-get install openjdk-7-jdk
Java installation error on ubuntu 16.04 server edision
2016年8月31日 · How can I proceed further to install java Environment: 16.04 Server Edision test@ubuntu:~$ java -version The program 'java' can be found in the following packages: * default-jre * gcj-5-jre-he...
Java Runtime Environment (JRE) not found (linux ubuntu)
2019年8月16日 · The program 'java' can be found in the following packages: * default-jre * gcj-5-jre-headless * openjdk-8-jre-headless * gcj-4.8-jre-headless * gcj-4.9-jre-headless * openjdk-9-jre-headless Try: apt install As if my java is not detected even if it"s installed...
I tried to run Java -version, and it said "The program 'java' can be ...
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