Openjdk-7-jre-zero - Alternative JVM for OpenJDK, using Zero/SharkĪs you can see from output above there are three alternative to install Java 7 from OpenJDK. Openjdk-7-doc - OpenJDK Development Kit (JDK) documentation Openjdk-7-source - OpenJDK Development Kit (JDK) source files Openjdk-7-jre-lib - OpenJDK Java runtime (architecture independent libraries) Openjdk-7-dbg - Java runtime based on OpenJDK (debugging symbols) Openjdk-7-demo - Java runtime based on OpenJDK (demos and examples) Openjdk-7-jre - OpenJDK Java runtime, using Hotspot JIT Openjdk-7-jre-headless - OpenJDK Java runtime, using Hotspot JIT (headless) Openjdk-7-jdk - OpenJDK Development Kit (JDK) Re-read apt-get package metadata by running command below.Īfter re-reading metadata, let’s search what packages available for openjdk-7. Gpg: key 86F44E2A: public key "Launchpad OpenJDK builds (all archs)" imported Gpg: /tmp/tmpccfu5qmx/trustdb.gpg: trustdb created Gpg: requesting key 86F44E2A from hkp server Gpg: keyring '/tmp/tmpccfu5qmx/pubring.gpg' created Gpg: keyring '/tmp/tmpccfu5qmx/secring.gpg' created Press to continue or ctrl-c to cancel adding it $ sudo add-apt-repository ppa:openjdk-r/ppa Therefore, we’ll install Java 7 from openjdk-r PPA repository. Ubuntu 16.04 Xenial Xerus shipped with Java 8 from OpenJDK. We’ll cover Java installation from OpenJDK and from Oracle. We’ll learn how-to install both Java Runtime Environment (JRE) and Java Development Kit (JDK). In this tutorial we’ll install Java 7 on Ubuntu 16.04. However, some application stil run only on Java 7 or compatible only to Java 7 and not Java 8. Java 7 is actually the previous version of Java that already reach end of life. It’s still being developed now even after Sun Microsystem bought by Oracle. Java is a programming language first released by Sun Microsystem in 1995.
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