It includes graphical IDE (like Eclipse), which requires separate installation. Currently, Java Development Kit is also one of the most popular development environments in which to code Java. Java is one of the most popular coding languages out there, and Java Development Kit (or JDK) is its official development package. You then need a compiler to run as an interpreter to translate your code into something understandable. Programming in any computer language simply requires a text editor and knowledge of syntax, as well as a clear idea of what is you're trying to create. javapath Īs you see javapath (that is in PATH environment variable) points to javapath_target_3015921.Java Development Kit is the official development kit for the Java programming language. In path C:\Program Files (x86)\Common Files\Oracle\Java: > dir "C:\Program Files (x86)\Common Files\Oracle\Java" On Windows machine, there are also two another differences between JDK 8 and JDK 11.Ī standalone JRE alongside JDK as you can see: > dir /b "C:\Program Files\Java" Same snapshots on Windows machine: > dir /b "C:\Program Files\Java\jdk-11.0.1" Same snapshot about Oracle JDK 8 (See jre folder specially): # ls /usr/java/jdk1.8.0_191-amd64/ĬOPYRIGHT LICENSE THIRDPARTYLICENSEREADME-JAVAFX.txt As you can see there is no jre folder: # ls /usr/java/jdk-11.0.1/īin conf include jmods legal lib README.html release This is a snapshot of installation path on CentOS 7. But I saw an unexpected thing! Where is JRE? _windows-圆4_bin.exe (first on a Linux machine and second on a Windows machine). I downloaded and installed Oracle JDK 11 from its official site. I was expecting JRE to be installed with JDK.ĭo final users of our apps need to install JDK? But where is JRE 11?!Īlso, JDK 11 doesn't include a JRE. You can find JRE 8, JRE 9 and JRE 10 on Oracle's official website (click on each).
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